===TITLE=== UNIT 3: CLOSEST MEANING SENTENCE :: 20 QUESTIONS ===TIMER=== 20 ===PART=== 1. GRAMMAR :: 20 :: 1 ===SECTION=== Sentence Transformation ===MCQ=== 119. If you don’t maintain a healthy diet, you may gain weight. *A. Unless you maintain a healthy diet, you may gain weight. B. Unless you don’t maintain a healthy diet, you may gain weight. C. If you maintain a healthy diet, you may gain weight. D. Unless you gain weight, you must maintain a healthy diet. Giải thích: “Unless” = “If… not” (Trừ khi/Nếu không). Lấy mệnh đề khẳng định sau Unless thay cho mệnh đề phủ định sau If. ===MCQ=== 120. It is necessary for you to reduce stress to improve mental health. A. You can reduce stress to improve mental health. *B. You must reduce stress to improve mental health. C. You might reduce stress to improve mental health. D. You won’t reduce stress to improve mental health. Giải thích: “It is necessary” (Cần thiết, bắt buộc) tương đương với động từ khuyết thiếu “must”. ===MCQ=== 121. I advise you to talk to a counsellor about your difficulties. *A. You should talk to a counsellor about your difficulties. B. You must talk to a counsellor about your difficulties. C. You will talk to a counsellor about your difficulties. D. You may talk to a counsellor about your difficulties. Giải thích: “advise” (khuyên bảo) tương đương với động từ khuyết thiếu “should” (nên). ===MCQ=== 122. Unless he manages his time efficiently, he will miss the due date. A. If he manages his time efficiently, he will miss the due date. B. If he doesn’t manage his time efficiently, he won’t miss the due date. *C. If he doesn’t manage his time efficiently, he will miss the due date. D. Unless he doesn’t manage his time efficiently, he will miss the due date. Giải thích: “Unless he manages” = “If he doesn’t manage”. ===MCQ=== 123. It is possible that staying up late will affect your physical health. A. Staying up late must affect your physical health. B. Staying up late should affect your physical health. *C. Staying up late might affect your physical health. D. Staying up late will affect your physical health. Giải thích: “It is possible” (có khả năng) diễn tả sự không chắc chắn, tương đương với “might” (có thể). ===MCQ=== 124. You are not allowed to eat fast food if you want to lose weight. A. You shouldn’t eat fast food if you want to lose weight. *B. You mustn’t eat fast food if you want to lose weight. C. You don’t have to eat fast food if you want to lose weight. D. You might not eat fast food if you want to lose weight. Giải thích: “not allowed” (không được phép/cấm) tương đương với “mustn’t” (không được làm gì). ===MCQ=== 125. Why don’t we come up with a new exercise combination? A. We must come up with a new exercise combination. *B. We should come up with a new exercise combination. C. We will come up with a new exercise combination. D. We are forced to come up with a new exercise combination. Giải thích: “Why don’t we” là mẫu câu đề nghị/khuyên nhủ, tương đương với việc dùng “should” (chúng ta nên). ===MCQ=== 126. If you try hard, you have the ability to accomplish your goals. *A. If you try hard, you can accomplish your goals. B. If you try hard, you must accomplish your goals. C. If you try hard, you should accomplish your goals. D. If you try hard, you might accomplish your goals. Giải thích: “have the ability to” (có khả năng làm gì) tương đương với “can”. ===MCQ=== 127. He intends to work out every day to build muscles. A. He dislikes working out every day to build muscles. *B. He plans to work out every day to build muscles. C. He stops working out every day to build muscles. D. He delays working out every day to build muscles. Giải thích: “intend to” (dự định) = “plan to” (lên kế hoạch/dự định). ===MCQ=== 128. She is always optimistic no matter what happens. *A. She is always positive regardless of the situation. B. She is always negative when bad things happen. C. She is rarely optimistic about the future. D. She is always stressed out no matter what happens. Giải thích: “optimistic” = “positive” (lạc quan/tích cực). “no matter what happens” = “regardless of the situation” (bất chấp hoàn cảnh). ===MCQ=== 129. I am thankful because you encouraged me properly. A. I am angry that you encouraged me properly. *B. I appreciate that you encouraged me properly. C. I am sorry for encouraging you properly. D. I regret that you encouraged me properly. Giải thích: “thankful” = “appreciate” (biết ơn, cảm kích). ===MCQ=== 130. Unless you apply sunscreen, you will get burnt. A. If you apply sunscreen, you will get burnt. *B. If you don’t apply sunscreen, you will get burnt. C. If you don’t apply sunscreen, you won’t get burnt. D. Unless you don’t apply sunscreen, you will get burnt. Giải thích: “Unless you apply” = “If you don’t apply” (Nếu bạn không bôi kem chống nắng…). ===MCQ=== 131. It’s a good idea to differentiate between true and fake news online to avoid distraction. A. You can differentiate between true and fake news. B. You must differentiate between true and fake news. *C. You should differentiate between true and fake news. D. You might differentiate between true and fake news. Giải thích: “It’s a good idea to” (Đó là một ý kiến hay để…) diễn tả lời khuyên, tương đương với “should”. ===MCQ=== 132. If you don’t look after your younger brother, your parents will punish you. *A. Unless you look after your younger brother, your parents will punish you. B. Unless you don’t look after your younger brother, your parents will punish you. C. If you look after your younger brother, your parents will punish you. D. Unless your parents punish you, you look after your younger brother. Giải thích: “If you don’t look after” = “Unless you look after”. ===MCQ=== 133. You have my permission to invite your friends to the party if you finish your chores. A. You must invite your friends if you finish your chores. *B. You can invite your friends if you finish your chores. C. You should invite your friends if you finish your chores. D. You won’t invite your friends if you finish your chores. Giải thích: “have permission to” (được phép) tương đương với “can”. ===MCQ=== 134. Eating fruits instead of sweets helps you maintain a well-balanced life. *A. Replacing sweets with fruits helps you maintain a well-balanced life. B. Eating both fruits and sweets helps you maintain a well-balanced life. C. Eating sweets rather than fruits helps you maintain a well-balanced life. D. Avoiding both fruits and sweets helps you maintain a well-balanced life. Giải thích: “instead of” (thay vì – chọn A bỏ B). Câu A dùng “Replacing… with…” (thay thế đồ ngọt bằng trái cây) là chính xác nhất về nghĩa. ===MCQ=== 135. She managed to get through the difficulty efficiently. A. She failed to overcome the difficulty efficiently. *B. She succeeded in overcoming the difficulty efficiently. C. She delayed overcoming the difficulty efficiently. D. She intended to overcome the difficulty efficiently. Giải thích: “managed to” (xoay xở làm được/thành công làm gì) = “succeeded in V-ing”. “get through” = “overcome”. ===MCQ=== 136. If you lift weights improperly, there is a chance you will get shoulder pain. A. If you lift weights improperly, you must get shoulder pain. B. If you lift weights improperly, you will get shoulder pain. C. If you lift weights improperly, you should get shoulder pain. *D. If you lift weights improperly, you may get shoulder pain. Giải thích: “there is a chance” (có khả năng/có rủi ro) chỉ một dự đoán không chắc chắn, tương đương với “may/might”. ===MCQ=== 137. You are required to give priority to this project. A. You can give priority to this project. B. You should give priority to this project. *C. You must give priority to this project. D. You might give priority to this project. Giải thích: “required to” (bị bắt buộc phải) diễn tả nghĩa vụ bắt buộc, tương đương với “must”. ===MCQ=== 138. I waited for him, but he didn’t show up. A. I delayed him, and he didn’t show up. *B. I expected him to arrive, but he didn’t. C. I praised him, but he didn’t show up. D. I punished him, but he didn’t show up. Giải thích: “waited for” (chờ đợi) mang nghĩa kỳ vọng ai đó đến, tương đương với “expected him to arrive”. “didn’t show up” = “didn’t [arrive]”.