模拟演练：
1.The ship’s generator broke down and the pumps_________________(不得不用手工操作)instead of mechanically.
2.No pain,no gain,genius is ________________(也只不过是努力和勤奋)。
3.John seems a nice person,________________(即使这样)，I don’t trust him.
4._____________________(我们没有人料到校长会出现)at the party.We thought he was still in hospital.
5.The price of beer_____________________(从30美分到5美分不等)per liter during the summer season.
答案：
1. had to be operated manually
(have to 意为“不得不”其否定形式意思是“不一定”或“没有必要”pumps 是被操作，所以要用被动语态，“手工”修饰“操作”所以要用副词形式)
2. nothing but labor and diligence
(本题考查nothing but…这个强调考试大判断句型，意为“也只不过是”)
3. even so
(even so “虽然如此，即使这样”)
4. None of us expected the headmaster to turn up
(本题考查全部否定,考查“expect sb to do sth”,expect要用过去时，还考查固定短语“turn up”,表示在某场合出现)
5. ranges/varies from 30 cents to 5cents
(本题考查句型“range/vary…from…to”意为“从…到…范围内的变化”）
责任编辑：sealion1986
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