题目内容
17.If you ____ any trouble,be sure to call me.( )| A. | have | B. | ,has | C. | had | D. | having |
分析 如果你有任何困难,务必打电话给我.
解答 答案:A 根据句意,if表示"如果"之意,引导条件状语从句,这里主句采用祈使句(be sure to…),从句要用一般现在时,have trouble有麻烦,主语you,动词用原形,故选:A.
点评 考查if引导条件状语从句,主句采用祈使句,从句要用一般现在时.
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Germs are always found in dirty water.When we look at dirty water under the microscope,we shall see them in it.(63)D.
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根据表格信息,选择最佳的答案,并将其字母符号在答题卡上涂黑.
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| Fruit(水果) | Price(价格) | Producing area(产地) |
| apple | 16 yuan | Shanxi |
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| pineapple(菠萝) | 4 yuan | Yunnan |
| pear | 12 yuan | Shanxi |
| mango(芒果) | 10 yuan | Guangxi |
| Lychee(荔枝) | 20 yuan | Guangxi |
| banana | 7 yuan | Hainan |
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