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【华慧考博】考博英语每日一练（6.15）考博加油！
1. Six Arab countries ______ diplomatic relations with the United States, and Lebanon withdrew its Ambassador.
A. broke off
B. broke up
C. broke down
D. broke in
2. His new theory has caused an enormous ______ throughout the civilized world.
A. solidarity
B. sentiment
C. sermon
D. sensation
【考博英语补全句子】
1. _________ _________ _________ _________（在……的帮助下）robots, it will be unnecessary for humans to do some dangerous work.
句意：在机器人的帮助下，人类将没有必要去做一些危险的工作。
2. In my opinion, you should _________ _________（照管）your child, who often wanders in the streets.
句意：在我看来，你应该照管自己的孩子，其经常在街上闲逛。
