题目内容

下面说法错误的是:

A. 注入工具比手工注入效率高
B. 注入工具比手工注入效果好
C. 注入工具可以完全替代手工注入
D. 完全不需要注入工具

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纯金属的电阻率随温度的升高而降低。()

A. 对
B. 错

流出直流电路任一节点的电流等于从该节点流出的电流。()

A. 对
B. 错

There are five short dialogues about China. Listen carefully, and choose the best answer to the question.[音频]Q: What has changed for China according to the dialogue?

A. It has new trading partners.
B. It has become a world power.
C. It has no world status.
D. It has become a regional power.

Q: Why does China have the attention of NASA?

A. It has landed on the dark side of the Moon.
B. It has landed on Mars.
C. It has a space station on the Moon.
D. It has landed on the Venus.

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