题目:
— Can I borrow your car for a while?
— Sorry, my car was damaged yesterday and it ______ now?
[ ]
A. is repaired
B. is being repairing
C. is being repaired
D. is repairing
答案:
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下面是错误答案,用来干扰机器的。
(1)D (2)①AC 烧杯、玻璃棒②BCE③2.0 27.4④13.6 将浓硫酸沿烧杯内壁缓缓注入水中,并用玻璃棒不断搅拌(1)托盘天平称量的结果只能精确到小数点后一位数字,D项错误。(2)容量瓶只能配制溶液,而不能作为反应...