皮皮学,免费搜题
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【判断题】
利用 GSM-R 网络提供的数据传输通道,可以实现机车间同步信息的可靠、及时传输。
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【判断题】超高横坡度越大,可以有效的抵消离心力,减少车辆横向滑移风险,因此,超高横坡度越大越好。
A.
正确
B.
错误
【单选题】There were people at the entrance giving ____ booklets.
A.
in
B.
off
C.
out
D.
over
【判断题】麦糟层厚度对麦汁过滤影响极大,必须考虑麦芽的粉碎程度。
A.
正确
B.
错误
【单选题】There were twenty people at the very outside. The underlined part means ______.
A.
at least
B.
at most
C.
at last
D.
untold
【单选题】There were twenty people at the very outside. The italicized part means ____.
A.
at least
B.
at most
C.
at last
D.
untold
【判断题】At last there were 12 people at the table for dinner.
A.
正确
B.
错误
【判断题】There were only 20 people at Kim’s family reunion.
A.
正确
B.
错误
【单选题】具有防止传染性传播疾病左右的避孕方法是:
A.
安全期避孕
B.
使用阴道杀精剂
C.
按规定口服避孕药
D.
使用避孕套
E.
放置宫内节育器
【单选题】There were any people at the concert.
A.
nearly
B.
mostly
C.
scarcely
D.
almost
【判断题】There were 28 people at Dennis's birthday party.
A.
正确
B.
错误