皮皮学,免费搜题
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搜题
【判断题】
豆科植物的种子,营养物质主要储藏在子叶中。
A.
正确
B.
错误
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举一反三
【单选题】He ran away from home because it was hard to ________ his parents' expectations.
A.
enter into
B.
call for
C.
come to
D.
live up to
【单选题】()扳手的开口尺寸可以在一定范围内自由调节。
A.
扭力
B.
套筒
C.
开口
D.
活动
【简答题】Long ago people send messages in different ways. A man put his ear to the ground. He 1 the horses. They were coming this way. He ran to 2 his people. He was a 3 .That was one way to send messages. Peo...
【单选题】设向量空间中的元素个数为m,下列说法正确的是
A.
m为有限个
B.
m为无限个
C.
m=1或者m为无限
D.
m为有限但不等于1.
【单选题】()扳手的开口尺寸可以在一定范围内自由调节,用于拆装不规则的带有棱角的螺母或螺栓
A.
开口
B.
套筒
C.
扭力
D.
活动
【单选题】电弧长度 焊条直径的电弧称为长弧。
A.
大于
B.
小于
C.
等于
D.
不等于
【单选题】()扳手的开口尺寸可以在一定范围内自由调节。
A.
开口
B.
套筒
C.
扭力
D.
活动
【简答题】Long long ago, people sent messages in different ways. A man put his ears to the ground. He 1 the horses. They were coming this way. He ran to 2 people.He was a 3 .That was one way to send messages. P...
【单选题】学校中还存在着对学生产生影响的,但又难以控制的教育因素,可以称之为( )。
A.
校本课程
B.
隐性课程
C.
地方课程
D.
悬空课程
【单选题】( )扳手的开口尺寸可以在一定范围内自由调节,用于拆装不规则的带有棱角的螺
A.
开口
B.
套筒
C.
扭力
D.
活动
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