问题
单项选择题
壁橱内()不属于农橱清洁保养质量要求的标准。
A.无污渍
B.无油漆脱落
C.干净有光泽
D.物品齐备
答案
参考答案:C
壁橱内()不属于农橱清洁保养质量要求的标准。
A.无污渍
B.无油漆脱落
C.干净有光泽
D.物品齐备
参考答案:C
根据短文内容,从方框中选择合适的单词填空。 | |
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The bicycle is one of the simplest yet most useful inventions in the world. What is the most surprising is that it was not (1)__________ earlier, although the great inventor Leonardo da Vinci had (2) __________ pictures for bicycles and flying machines and some other things. Those things were not produced (3) __________ long after he died. A person riding a bicycle uses very little (4) __________ to make the bicycle move, and there is no pollution at all when you are riding. Even so, in most develope ![]() ![]() |