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【简答题】
请利用维普数据库查询《审计研究》的期刊评价数据,该刊2013年的被引次数为( ),影响因子为( ),平均引文率为( )。
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举一反三
【单选题】不等式 x 2 - 3| x | < 0 的解集为( )
A.
{x|0＜x＜3}
B.
{x|﹣3＜x＜0或0＜x＜3}
C.
{x|﹣3＜x＜0}
D.
{x|﹣3＜x＜3}
【单选题】To make a p-type of semiconductor material you need a doping material that is ( ).
A.
pentavalent
B.
tetravalent
C.
trivalent
D.
hexavalent
【简答题】一真空管的真空度约为1.38×10-3 Pa(即1.0×10-5 mmHg),试 求在27°C时单位体积中的分子数及分子的平均自由程(设分子的有效直径d=3×10-10 m).
【单选题】To obtain a visa to enter that country for the first time, you need to apply ______.
A.
in part
B.
in person
C.
in turn
D.
in place
【简答题】A. What else do you need me to do? B. just as soon as you can. C. You need to make room for a new shipment, D. You want me to move all of them to C ? E. Update the inventory for Building C. Supervisor...
【简答题】阅读理解。 1. If you find a set of keys, please call _____. A. Jeff B. David C. Diego 2. You need to pay for the book Rocket to _____ Space if you go to buy it now. A. $ 59.90 B. $39. 95 C. $19. 95 3. You ...
【简答题】数据库系统主要由数据库和数据库管理系统组成。 ( ) A.√ B.×
【单选题】When you read a novel, you need to have all the following qualities EXCEPT ______.
A.
fine perception
B.
bold imagination
C.
critical attitude
D.
open mind
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