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【单选题】
NaI(T1)对7射线的探测效率有的可高达A.
100％
B.
90％
C.
80％
D.
50％～60％
E.
30％～40％
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举一反三
【简答题】The author suggests to buy medicines in Wal-Mart because ______.
【简答题】编写程序,从键盘输入一个字符,判别它是否是小写字母, 如果是,将它转换为大写字母;如果不是,不转换,然后 输出最后得到的字符。
【简答题】编写程序:输入一个字符,判别它是否为大写字母,如果是,转换成小写字母;如果不是,不转换。然后输出最后得到的字符。
【单选题】---What’s the difference of Wal-Mart’s and Sam’s Club’s customers? ----________
A.
Wal-Mart is a big retailer, while Sam’s is a wholesaler.
B.
Wal-Mart has more chain stores. There are over 8500 Wal-Mart stores in the world.
C.
As Sam’s Club is the wholesaler, it sells goods to retailers, mainly small stores, while as a retailer Wal-Mart sells goods directly to consumers.
【单选题】The children stood in ______________ circle and danced to music.
A.
a
B.
an
C.
the
D.
不填
【多选题】How to analyze the status quo in order to prove the new model or new policy improtant?
A.
To prove that the status quo is problematic.
B.
To prove that the problems are directly caused by the current polity/model we target.
C.
To prove that these problems are so sever that we have to propose a new model.
D.
To illustrate that the new model is able to address the problems in the status quo.
【单选题】下面四项，合法的电子邮件地址是()。
A.
wang-em.info.net
B.
em.info.net-wang
C.
em.info.net@wang
D.
wang@em.info.net
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