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At such a time of crisis,we must try to all differences and stick together．

A set apart B set back C set aside D set down<br/>

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Many governments are now taking to reduce smoking in public places．

A steps B sides C effect D change

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The employees more enthusiastic about their work since their pay rose．

A are B have been C were D will be

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Children don´t understand initially what they are reciting,but it will have an i

A casually B especially C regularly D gradually

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The university regulations require that the students at least 90% of the lecture

A attended B to attend C would attend D attend

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In October 2007,the Chang´e-1 satellite was successfully at Xichang．

A launched B presented C regulated D engaged

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根据以下材料，回答21-35题 The destruction of habitats(栖息地)all over the world is the primar

A landscapes    B cities     C maps      D pictures

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根据以下材料，回答21-35题 The destruction of habitats(栖息地)all over the world is the primar

A At       B Before     C After      D Since<br/>

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根据以下材料，回答21-35题 The destruction of habitats(栖息地)all over the world is the primar

A for example   B in addition   C at last    D after all<br/>

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根据以下材料，回答21-35题 The destruction of habitats(栖息地)all over the world is the primar

A both       B in       C between    D before

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