logo - 刷刷题
下载APP
【单选题】

一根生丝一般是由()颗蚕茧缫制而成的?

A.
5
B.
7
C.
9
D.
3
题目标签：蚕茧
举报
如何制作自己的在线小题库
参考答案：
参考解析：
.
刷刷题刷刷变学霸
举一反三

【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
查看完整题目与答案

【简答题】【名词解释】蚕茧(中医)
查看完整题目与答案

【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
查看完整题目与答案

【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
查看完整题目与答案

【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...
查看完整题目与答案

【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
查看完整题目与答案

【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
查看完整题目与答案

【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 ...
查看完整题目与答案

【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
查看完整题目与答案

【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
查看完整题目与答案