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【单选题】
把正、负极板各一片浸入电解液中,可获得几伏的电势?A.
lV
B.
1.5V
C.
2V
D.
3V
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举一反三
【单选题】Which of the following is NOT true about the House of Commons in Britain?
A.
The House of Commons is the most powerful part of Parliament.
B.
General elections for the House of Commons are held at least every 6 years.
C.
The ultimate authority for law-making is in the House of Commons.
D.
The House of Commons consists of 651 members of Parliament.
【单选题】.– I like your house very much. --- Thank you, but this house is ________.
A.
badly in need of paint
B.
bad in need of painting
C.
badly in needing of paint
D.
badly in need of painting
【简答题】完形填空。 John lived with his mother in a very big house, and when she 1 , the house became too big 2 him, so he bought a 3 one in the next street. There was a very nice, old clock in his 4 house, and whe...
【单选题】判断下列语句,正确的个数有 ( ). 1 两条直线相交,若有一组邻补角相等,则这两条直线互相垂直; 2 从直线外一点到已知直线的垂线段,叫做这个点到 已知直线的距离; 3 从直线外一 点画已知直线的垂线,垂线的长度就是这个点到已知直线的距离; 4 画出已知直线外一点到已知直线的距离.
A.
1 个
B.
2 个
C.
3 个
D.
4 个
【单选题】—Is the house very expensive ， Dick? —I don’t think it’s worth the theyare asking ．
A.
． price
B.
． cost
C.
． value
D.
． money
【简答题】在平面上，到直线的距离等于定长的点的轨迹是两条平行直线.类比在空间中： （1）到定直线的距离等于定长的点的轨迹是 ； （2）到已知平面相等的点的轨迹是 .
【单选题】The house was very quiet, ______ as it was on the side of a mountain.
A.
isolated
B.
isolating
C.
being isolated
D.
having been isolated
【简答题】两组平行线围成一个长方形，o点在长方形的正中间（如图）．如果o点到直线a距离是5厘米，到直线c距离是6厘米，这个长方形的周长是______厘米，面积是______平方厘米．
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