题目内容

13

A. From his younger brother Greg.
B. From home design magazines.
C. From a construction businessman.
D. From a professional interior designer.

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14

A. The effort was worthwhile.
B. The style was fashionable.
C. The cost was affordable.
D. The effect was unexpected.

15

A. She'd like him to talk with Jonathan about a new project.
B. She wants him to share his renovation experience with her.
C. She wants to discuss the house decoration budget with him.
D. She'd like to show him around her newly-renovated house.

最精确和合理的测量电池电动势的方法是:

A. 示差法
B. 补偿法
C. 伏安法
D. 电容法

腐蚀电池区别于原电池在于()

A.消耗能量不能加以利用
B. 可导致体系毁坏
C.电能可以有效利用

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