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【单选题】
下列说法中，正确的 ①无限小数不一定是无理数。 ②矩形具有的性质平行四边形一定具有。 ③平面直角坐标系中的点与有序实数对是一一对应的 。 ④一个数平方根与这个数的立方根相同的数是0和1。 [ ]A.
1个
B.
2个
C.
3个
D.
4个
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反馈参考答案：
举一反三
【单选题】—What did he say? — . [ ]
A.
He asked what could he do for us
B.
He asked when would you come
C.
He said he likes English very much
D.
He said he would bring some fruit here
【单选题】— He asked Tom, 'Have you finished your homework?' — He asked Tom ___ . [ ]
A.
if had he finished his homework.
B.
whether he had finished his homework.
C.
if he had finished homework.
D.
if you had finished your homework.
【单选题】已知某机场02号跑道长度3600m,净空道300m,停止道100m,跑道入口内移200m。某机型干道面审定着陆距离是1800m。则02号跑道干道面所需着陆距离是
A.
3600
B.
3006
C.
3400
【单选题】已知某机场02号跑道长度3600m,净空道300m,停止道100m,跑道入口内移200m。某机型干道面审定着陆距离是1800m。则02号跑道可用着陆距离是
A.
3600
B.
3400
C.
3500
【单选题】－He asked Tom, “Have you finished your homework？”－He asked Tom .A．if had he finished his homework
A.
－He asked Tom, “Have you finished your homework？” －He asked Tom ____. A．if had he finished his homework.
B.
whether he had finished his homework
C.
if he had finished your homework.
D.
if you had finished your homework.
【单选题】已知某机场02号跑道长度3600m,净空道300m,停止道100m,跑道入口内移200m。某机型干道面审定着陆距离是1800m。则02号跑道可用起飞距离是:
A.
3600
B.
3900
C.
3400
【单选题】已知某机场02号跑道长度3600m,净空道300m,停止道100m,跑道入口内移200m。某机型干道面审定着陆距离是1800m。则02号跑道可用中断起飞距离是
A.
3500
B.
3700
C.
3900
【单选题】已知某机场02号跑道长度3600m,净空道300m,停止道100m,跑道入口内移200m。某机型干道面审定着陆距离是1800m。则02号湿跑道所需着陆距离是
A.
3400
B.
3006
C.
3457
【单选题】已知某机场02号跑道长度3600m,净空道300m,停止道100m,跑道入口内移200m。某机型干道面审定着陆距离是1800m。则02号跑道可用起飞滑跑距离是
A.
3700
B.
3900
C.
3600
【单选题】He ________ not to throw away the food, but he still did it.
A.
asked
B.
asks
C.
was asked
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