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【单选题】
在实际生产过程中，为提高反应过程目的产物的单程收率，宜采用以下哪种措施（）。A.
延长反应时间，提高反应的转化率，从而提高目的产物的收率；
B.
缩短反应时间，提高反应的选择性，从而提高目的产物的收率；
C.
选择合适的反应时间和空速，从而使转化率与选择性的乘积（单程收率）达到最大；
D.
选择适宜的反应器类型，从而提高目的产物的收率。
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【判断题】We hope that these generous discounts will bring about a substantial order.()
A.
正确
B.
错误
【单选题】We hope that an agreement will .
A.
be arrived
B.
being arrived
C.
arrive at
D.
be arrived at
【简答题】Date: Mar 10, 2015 To: Michael Clinton From: 1 Subject: Company Introduction Dear Mr Clinton, We are glad to introduce our company to you. Our company is a large modern 2 company in Wuhan. It's famous...
【简答题】We hope that your prices will be workable and that business will result to our mutual benefit.
【简答题】We hope that you will attend to the coming Guangzhou Fair.
【简答题】We hope that we will get the first prize in the coming speech contest( 改为简单句 ) Our hope is __________ __________ the first prize in the coming speech contest .
【简答题】We
hope that we will place large orders with you in the future.
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