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单项选择 1. The news _____ be true. I know everything about it. A.Can’t B.mustn’t C. needn’t D. may not 2. You don’t know how to do it, you may come and ask me _____. A.help B.to help C.for help D. for helping 3. Mary is _____ to answer the question correctly. A. too clever B. so clever C.clever enough D. enough clever 4. _____ the boy is to learn to talk! A. How slow B.How slowly C.What a slow D.What slowly 5. Is the museum ____ they visited last month? A. that B. where C.which D.the one 6. For the sake of her daught’s health, she decided to move to a warm ___- A. weather B.temperature C. season D.climate 7. – Why don’t we take a little break? ----Didn’t we just have _____? A. it B. that C.one D.this 【答案】 1. A 解析：在表推测的情态动词中can常用于否定句中，can’t表示不可能。Mustn’t表禁止，needn’t表不必，may not表可能性很低的不可能。 2. C 解析：ask sb for help表示向某人求助。 3. C 解析：enough与形容词连用时，形容词应该至置于enough前，表示足够---，但如果是名词，那名词就应该置于enough后。 4. A 解析：本题考查感叹句。解题技巧，把主谓去掉后，剩名词用what,剩形容词或副词用how。本题该用how.本题的slow应该是在be动词后的所以用形容词，不用副词。可以这么理解，把本句还原后是The boy is slow to learn to talk.所以不能用B。 5. D 解析：本题中宾语，还原成陈述句应该是the museum is the one they visited last month. they visit是省略关系词的定从修饰the one. 6. D 解析：weather天气，temperature温度，season季节，climate气候。 7. C 解析：本题考查代词用法，本题中的one是泛指的break. | 
