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【简答题】
对化合物在水中的溶解度，下列判断中正确的是 (A) AgF＞HF； (B) CaF 2 ＞CaCl 2 ； (C) HgCl 2 ＞HgI 2 ； (D) LiF＞NaCl。
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【简答题】Why do you suggest Gulin? ---I believe_____ beauty of ____ naturethere will make _____ excellent impression upon the tourists. A. a,the, an B. the, the, an C. the, /,the D. the, /, an
【单选题】_______ you want me to fire you, I suggest you not wear sports clothes in the office next time.
A.
As long as
B.
As far as
C.
Since
D.
Unless
【单选题】The major difficulty in developing space travel is that ______.
A.
there is no clear destination in space
B.
it is too risky and expensive for people to go beyond the orbit
C.
the current space propulsion systems can not meet the needs for the long space travel
D.
there is not enough energy for spacecraft to gain velocity
【单选题】在负荷猛增的情况下,智能电网会对所有电视机或某个大型用户发出警告, 要求其暂时或持续降低负荷。这是智能电网的( )特性。
A.
需求响应
B.
负荷调节
C.
分布化发电
D.
自动化检测
【单选题】下列基于ICMP的扫描请求，不遵循查询/回应方式的是
A.
time-stamp
B.
address-mask
C.
echo
D.
destinationunreachable
【单选题】I suggest you choose _____ you think is kind and friendly.
A.
whom
B.
who
C.
whoever
D.
whomever
【简答题】--- Why do you suggest Guilin? ---I believe _______ beauty of _______ nature there will make ______ excellent impression upon the tourists.
【简答题】D-异抗坏血酸钠的鉴别试验在无色火焰中燃烧,火焰即显 。
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