试题与答案

载流导线在电场中,要受到力的作用,作用力的方向用左手定则判定。

题型:判断题

题目:

载流导线在电场中,要受到力的作用,作用力的方向用左手定则判定。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:①单宽流量是确定溢流坝的净宽和堰顶高程的主要参数;②单宽流量是影响消能工设计的关键因素;③单宽流量是影响坝下冲刷的主要因素。

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题型:听力题

Dear Judy,

I’m glad to receive your email telling me your arrival time

and I’m really e        to see you! I’m sorry that I will not     1____________

be able to meet you at the ________(机场) in person. I will be     2____________

         (参加) a biology exam at that time. Don’t be worried.  3 ____________

I will a       for a taxi to pick you up and send you to my      4_____________

house, _________you can have a good rest before I come back. I      5_____________

guess you may feel t        after such a long journey. In the    6____________

evening, I’ll show you ________ the city square and have a look   7____________

at one of the most beautiful ___________(塔) in the world. The    8____________

next day, we’ll _________ a visit to the newly-built museum, in    9____________

which you can see a fine c           of art treasures on show.  10___________

Yours

Jorge

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