问题 单项选择题

关于声衰减的表述,不正确的是

A.组织内含水分越多,声衰减越低

B.组织中含胶原蛋白越多,声衰减越低

C.组织中含胶原蛋白越多,声衰减越高

D.液体中含微气泡越多,声衰减越高

E.液体中含蛋白成分越多,声衰减越高

答案

参考答案:B

翻译题

完成句子

阅读下列各小题,根据每句后的汉语提示,用句末括号内的英语单词完成句子.

1. A number of new machines were installed in the factory, thus ____________________in production.

    (result)

工厂安装了大量的新机器,因而使得产量增加.

2. Who do you think ____________________my homework? (hand)

你认为是谁帮我交了作业了呢?

3. The living room of this house is ____________________ of the bedroom, which suits the family pretty well. (length)

这个房子的起居室是卧室长度的两倍,这很合家庭成员的意.

 4. Victor apologized for his ____________________ inform me of the change in the plan beforehand.

     (able)

维克多为他没能提前通知我计划有变而道歉.

5. It is generally believed that the more fertile a piece of field is, ____________________ grain it produces. (output)

人们普遍认为土地越肥沃,谷物的产量就越高.

6. How often I have regretted ____________________! (advice)

我常常后悔没听他的建议!

7. ____________________, they set out to break the record for crossChannel swimming. (equip)

装备好了之后,他们就出发去打破游泳横渡英吉利海峡的纪录了.

8. ____________________ I am of opera, I'd rather not sit through the Ring of the Nibelungs cycle this weekend. (though)

尽管我喜欢歌剧,但这个周末我不想一直坐等《尼伯龙根的指环》的结束.

 9. People were perhaps more honest a long time ago when life was very different from ____________________. (be)

很久以前,生活与今天的样子大不相同,那个时候的人们可能更加诚实一些.

10. ____________________is to carry out all we have planned during the last month. (thing)

要做的最后一件事是在最后一个月里执行我们的全部计划.

单项选择题