“件数”栏应填()。 A.20 B.40 C.2 D.60

题型:单项选择题

问题:

“件数”栏应填()。

A.20

B.40

C.2

D.60

考点:海关报关员考试报关员
题型:单项选择题

The Internet has become part of young people’s life. _1. _______ report shows that 38% of students often use the Internet. Most of them get _2.________ (use) information on the Internet _3._______ use the Internet to help with their studies. But many students don’t use it _4.________ a good way. Some play games too much, and some visit websites __5.__________ shouldn’t look at. So bad things may happen __6._________ students spend too much time on the Internet.

__7._______ is important for students to use the Internet properly. Now we have a textbook, __8._______ uses many examples to teach students some good ways to use the Internet. It gives useful __9._______(advise).

Some students also make friends on the Internet. But if you want to have a face-to-face _10.__ ______ (meet) with your online friends, please let your parents know and meet in a proper place.

题型:单项选择题

简述金融市场的基本功能。

题型:单项选择题

产运系数

题型:单项选择题

如图示恒定流水箱,水头H=5m,直径d1=200mm,d2=100mm,不计水头损失,则粗管中断面平均流速ν1为()m/s。

A.2.47

B.3.52

C.4.95

D.4.35

题型:单项选择题

()退出现役时,符合预备役条件的,由部队确定服士兵预备役;经过考核,适合担任军官职务的,服军官预备役。

A、士官

B、士兵

C、学员

D、军官

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