皮皮学，免费搜题
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【单选题】
When do you work at your school?A.
I work from 9:30 M. Until 5:30 P.M.
B.
It’s 9 o’clock.
C.
I am very busy for work.
D.
I go to school at 8:45.
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举一反三
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【单选题】Exercising ______ teenagers ______ healthy. [ ]
A.
help, to stay
B.
helps, keep
C.
helps, to keep
【简答题】A．It helps a computer artist to record his pictures electronically. B．It helps a computer artist to send his pictures to others. C．It helps a computer artist to print pictures on paper. D．It helps a c...
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【多选题】(不定项选择)关于6速DSG说法正确的是
A.
换油周期是四年或六万公里
B.
滤清器更换周期是六万公里或四年
C.
不需要更换变速箱油
D.
属于免维护变速箱,不需要更换滤清器
【单选题】下列程序的作用是: #include void main() { double x,t,y; cout>x; y= 1 ; t=1; while( 2 ) { t= 3 ; y+=t; } cout<<"y="<
A.
1 t>=1e-4 t/x
B.
0 t>=1e-4 t/x
C.
1 t<1e-4 t/x
D.
1 t>=1e-4 x/t
【简答题】从气温变化的规律分析,一般在夏季降低库房内温度的适宜时间是夜间 点钟以后~次日晨 点钟。
【单选题】设每一个班级只能有一个班长,而一个班长只能管理一个班级,则实体“班级”与实体“班长”之间的联系是__________。
A.
一对一
B.
一对多
C.
多对多
D.
任意的
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