单选题:听音频:Directions: [n this section, you will hear 8 short conve

  • 题目分类:英语四级
  • 题目类型:单选题
  • 查看权限:VIP
题目内容:
听音频: Directions: [n this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A ),B., C.and D ), and decide which is the best answer. Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre. A.He'll help the woman move them.
B.He'll keep them for the woman.
C.He can carry them with one hand.
D.He has a few more of them for the woman.

参考答案:
答案解析:

锅炉系统汽包的作用,表述错误的是(  )。

锅炉系统汽包的作用,表述错误的是(  )。A.可以提高锅炉运行的安全性 B.将锅炉各部分受热面连接在一起 C.可以减缓气压变化的速度,保证蒸汽品质 D.吸收炉膛

查看答案

The government has not yet taken any action to regulate suga

The government has not yet taken any action to regulate sugar consumption althou

查看答案

封闭母线与设备连接前,应进行封闭母线的(  )。

封闭母线与设备连接前,应进行封闭母线的(  )。A.泄漏电流测量 B.接地电阻测定 C.绝缘电阻测定 D.工频放电试验

查看答案

室内电缆应在切断后(  )h之内进行封头。

室内电缆应在切断后(  )h之内进行封头。A.14 B.4 C.28 D.24

查看答案

在集中润滑系统的施工程序中,管道切割、弯曲加工的紧前工作是(  )。

在集中润滑系统的施工程序中,管道切割、弯曲加工的紧前工作是(  )。A.设备及元件安装 B.管道焊接 C.管道支架制作安装 D.管道酸洗

查看答案