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【多选题】
导游员的着装礼仪正确的是( )A.
、不要太透
B.
男导游可直接穿背心
C.
、饰物要适度
D.
不穿超短裙
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举一反三
【简答题】A．It helps librarians collect the books. B．It helps readers file the books. C．It is arranged in chronological order. D．h contains three categories.
【简答题】A．Because it helps them to have greater academic qualifications. B．Because it helps them to gain work experience. C．Because they can earn some money. D．Because it helps them to learn more about the Ol...
【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...
【简答题】A．It helps one speak the language immediately. B．It helps one improve reading skill. C．It helps one improve writing skill. D．It helps one enlarge vocabulary.
【简答题】A．It helps the teacher organize extra-curricula activities easily. B．It helps establish the reputation of the whole school. C．It helps build a positive teacher-student relationship. D．It helps unify a...
【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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