接触网设计最高温度一般采用()° A.40 B.45 C.50 D.55

题型:单项选择题

问题:

接触网设计最高温度一般采用()°

A.40

B.45

C.50

D.55

考点:接触网工接触网工(高级技师)接触网工(高级技师)题库
题型:单项选择题

把蝗虫的后足去掉,最不可能的运动方式是(  )

A.飞翔

B.爬行

C.跳跃

D.即会爬行,又会飞翔

题型:单项选择题

任务型阅读(10分)

  Mr and Mrs Jones live(居住) in Paris. Mr Jones takes a bus to the bank(银行) every day. He is a clerk. He often goes out in the morning and comes back in the evening. Mrs Jones works in a school. She usually goes to work at eight in the morning and gets home at about five-thirty in the afternoon. So they have no time to look after their little son, Jerry. Who looks after Jerry? His aunt, Mary. She is Mr Jones’ sister.

阅读短文后,根据文中信息回答下列问题。(10分)

小题1:Where do the Jones live?

                                                                      

小题2:What’s Mr Jones’s job?

                                                                      

小题3:What time does Mrs Jones come home?

                                                                      

小题4:How many kids do they have?

                                                                      

小题5:Who looks after Jerry?

                                                                      

题型:单项选择题

蜂蜜炼制老蜜下列说法哪一项是正确的

A.含水量14%~16%

B.比重1.37左右

C.出现均匀、淡黄色细气泡

D.可拉出长白丝

E.以上说法均正确

题型:单项选择题

仿照下面句式另外写两个与之相同的句式(4分)。

音乐,当袅袅的余音消灭时,还在记忆之中震荡;花香,当芬芳的紫罗兰凋谢时,还在心魂之中珍藏。

(1)                                                   

(2)                                                   

题型:单项选择题

舌后1/3的一般感觉神经为()

A.舌前神经

B.舌咽神经

C.舌下神经

D.参与舌神经的鼓索纤维

E.舌神经

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