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【单选题】

一根生丝一般是由( )颗蚕茧缫制而成

A.
3
B.
5
C.
7
D.
9
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题目标签：蚕茧
参考答案：
参考解析：
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【单选题】一根生丝一般是由( )颗蚕茧缫制而成
A.
3
B.
5
C.
7
D.
9
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【简答题】【名词解释】蚕茧(中医)
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【单选题】日本的国土轮廓像只桑蚕，上海世博会日本馆也形似淡紫色的蚕茧。该国领土的四大岛屿中约度最高的是（）
A.
北海道岛
B.
本州岛
C.
四国岛
D.
九州岛
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【简答题】被称为赛过黄金的绿色软宝石的是（）。A、天蚕茧B、樟蚕茧C、樗蚕茧D、柳蚕茧
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【简答题】阅读理解。 I heard many parents complaining that their age children are rebelling. I wish it were so. At your age you ought to be growing away from your parents. You should be learning to stand on y...
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【判断题】山西夏县西阴村新石器时代遗址中曾出土过蚕茧。答案:
A.
正确
B.
错误
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【单选题】I hear many parents complaining that their teenage children are rebelling．I wish it【C1】______so．At your age you【C2】______be growing away from your parents．You should be learning to【C3】______on your ow...
A.
is
B.
were
C.
have been
D.
had been
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【简答题】阅读理解 I heard many parents complaining that their age children are rebelling. I wish it were so. At your age you ought to be growing away from your parents. You should be learning to stand on your ...
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【多选题】《茧丝质量监督管理办法》所称的茧丝是蚕茧和丝的统称，蚕茧主要包括（）等.
A.
桑蚕鲜茧
B.
桑蚕干茧
C.
柞蚕鲜茧
D.
柞蚕干茧
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【单选题】蚕茧代表家蚕的（）期。
A.
卵期
B.
幼虫期
C.
蛹期
D.
成虫期
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