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【判断题】
生铁分为炼钢生铁、铸造生铁和合金生铁。A.
正确
B.
错误
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举一反三
【单选题】听力练习Directions: Listen to the conversation. What are Mick and Paula’s New Year’s resolutions? Circle the correct answers. What is Paula's New Year's Resolution?
A.
Study modern art
B.
Get a new job
C.
Study modern dance
D.
Join more clubs
【简答题】听力-餐饮单词Listen and circle the word you hear in each pair.
【简答题】听力-Listen and circle the number in each pair that you hear first in each conversation.
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： When Iraqi troops blew up hundreds of ...
A.
The threat of poisonous desert animals and plants.
B.
The exhaustion of energy resources.
C.
The destruction of oil wells.
D.
The spread of-the black powder from the fires.
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： When Iraqi troops blew up hundreds of ...
A.
The threat of poisonous desert animals and plants.
B.
The exhaustion of energy resources.
C.
The destruction of oil wells.
D.
The spread of the black powder from the fires.
【多选题】听力——Listen and circle the expressions that sound polite.选出你认为礼貌的语气。
A.
One monent, please.
B.
I'll transfer your call.
C.
The number is 2442
D.
I'll send someone up right away.
E.
Hold the line, please.
F.
I'll connect you with the operator.
【单选题】听力练习Directions: Listen to the conversation. What are Mick and Paula’s New Year’s resolutions? Circle the correct answers. What is Mick's New Year's Resolution?
A.
Make more money
B.
Get a new job
C.
Study modern art
D.
Learn to drive
【单选题】下列说法错误的是
A.
传感器是实现自动检测和自动控制的首要环节 让物体有了触觉、味觉和嗅觉
B.
传感器的功能可替代人类 5 大感觉器官
C.
传感器是获取自然和生产领域中信息的主要途径与手段
D.
传感器的静态特性指对静态的输入信号，传感器的输出量与输入量之间所具有相互关系
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