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问题 单项选择题

在其它影响因素不变情况下，对于液相进料，增加进料流量将会导致整塔温度下降，使塔顶和塔釜产品中轻组分含量（）。

A、都增加

B、塔釜增加

C、塔顶增加

D、都不增加

答案

参考答案：A

多项选择题

工程咨询公司的业务范围很广泛，其服务对象可以是( )。

A．承包商

B．国际金融机构

C．业主

D．设计单位

E．贷款银行
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补全对话，情景问答

补全对话。

Clark: What events do you ____1____ at your school?

David: We have an English Speech Contest each year.

Clark: ____2____ is it?

David: It's March 5th.

Clark: Do you have ___3_____ Art Festival?

David: Yes. It's March 17th. ___4___ we have a basketball game on March 10th.

Clark: When is your School Trip?

David: It's April 6th.

Clark: Is Linda's birthday ___5___in April?

David: Yes. It's April 18th.

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