Computer classes must be __________ to every student of all grades, which will make them have a good command of the modern communication and learning tool.

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【单选题】

The old couple, whose kids have all passed away, have to ( ) only with their small pensions.

① get at

② get to

③ get by

④ get through

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【单选题】

类 Teacher 和 Student 是类 Person 的子类; Teacher t; Student s; // t and s are all non-null. if (t instanceof Person ){ s=(Student)t; } 最后一条语句的结果是:（）

① 将构造一个Student 对象;

② 表达式是合法的；

③ 表达式是错误的；

④ 编译时正确，但运行时错误。

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【单选题】

The apple?tastes good. Can I have another[填空]??

① ones

② thing

③ apples

④ one

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【单选题】

All things ____, the planned trip will have to be called off.

① considered

② be considered

③ considering

④ having considered

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【单选题】

You look _______. Did you have a rest all night?

① tire

② tired

③ tiring

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【单选题】

Their inability to say “no”and strong sense of duty towards others make itimpossible for them to avoid unreasonable demands.

① laterally

② locally

③ practically

④ collectively

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【单选题】

Sam, having forgotten to save his work [] lost all of his revisions when his computer crashed.

① comma

② dash

③ brackets

④ semicolon

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【单选题】

If it rain next week，the farmers could still have a good harvest.

① should

② could

③ would

④ might

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【单选题】

If it rain next week，the farmers could still have a good harvest.

① should

② could

③ would

④ might

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【单选题】

With the rapid development of the economy, all （） of our life have changed.

① filed

② fileds

③ aspect

④ aspects

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