题目内容

Listen to the following sentence and choose the right pronunciation of the underlined word.*I had a knife.

A. /hæd, eɪ/
B. /həd,ə/

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Choose the words in the sentence which you think should be read in weak forms.-----We will wait till the end of the party.

A. till
B. the
C. of
D. wait

In the following sentence, "told" and "leave" need to be read in their weak forms.-----They told us to leave.

A. 对
B. 错

振动筛是应用最广的一种 与 结合的原料清理设备,通过筛面做倾斜往复运动来清除谷物中小或轻的杂质。

A. 筛选
B. 铁屑
C. 除尘
D. 石子

振动筛能够去除的杂质有 、 、 、 。

A. 大杂
B. 中杂
C. 粗杂
D. 细杂
E. 轻杂

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