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搜题
【单选题】
如图所示螺纹的类型为（）。【图片】A.
单线右旋
B.
单线左旋
C.
双线右旋
D.
双线左旋
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皮皮学刷刷变学霸
举一反三
【简答题】根据《合同法》规定，要约撤销的条件是，撤销要约的通知应当在（ ）到达受要约人。
【简答题】Why did Jack come there?
【单选题】--- Jack didn’t come back early last night, did he? ---_____. It was not yet eight o’clock _____ he arrived home.
A.
No; before
B.
Yes; when
C.
Yes; that
D.
No; until
【单选题】According to the writer, which of the following is NOT true?
A.
Storytelling did not come back until 1993 in Wales.
B.
Storytelling is always well received in Wales.
C.
Storytelling has a long history in Wales.
D.
Storytelling once stopped in Wales.
【单选题】--- Did Jack come back early last night? --- Yes. It was not yet eight o’clock ______ he arrived home.
A.
before
B.
until
C.
when
D.
af ter
【多选题】关于定理找圆心的方法有()
A.
圆上的任意一点到圆心的距离都等于圆的半径
B.
两圆外切，中心距等于两圆半径和。
C.
两圆内切，中心距等于两圆半径差
D.
圆与直线相切，圆心到切点的距离等于半径
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