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【简答题】
It is my special pleasure to welcome our new staff member, Mr. John Water, who has come here from the United States.
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皮皮学刷刷变学霸
举一反三
【单选题】Today's expression, ' Knowledge is _____ ,' is widely misunderstood. The more you know, the more ____ you will be.
A.
power, successful
B.
power, success
C.
powerful, successful
D.
powerful, success
【单选题】To learn more information about the exhibition, yo can ___________.
A.
send an email
B.
make a phone call
C.
pay a visit to the exhibition
D.
visit the organizer ’ s website
【单选题】在含有Fe 3+ 和Fe 2+ 的溶液中，加入下述何种溶液，Fe 3+ /Fe 2+ 电对的电位将升高(不考虑离子强度的影响)( )。
A.
稀H 2 SO 4
B.
HCl
C.
NH 4 F
D.
邻二氮菲
【简答题】在含有Fe 3+ 和Fe 2+ 的溶液中，加入下述何种溶液，Fe 3+ /Fe 2+ 电对的电势将升高(不考虑离子强度的影响)?( ) (A) 稀H 2 SO 4 。 (B) HCl。 (C) NH 4 F。 (D) 邻二氮菲。
【单选题】It seems that the more lovely an animal is , the more it _____our health. As the saying goes, “if you want to be loved, get a dog.”
A.
harms
B.
troubles
C.
benefits
D.
treats
【简答题】动词填空 1. There ______ ( be) six singers in the band last night. 2. Car is more and more popular, you'd better _____(learn) to drive. 3. Jordan ________ (be) born in 1975. 4. Fred _______ (visit) his co...
【单选题】在含有Fe2+和Fe3+的溶液中，加入下述( )溶液，Fe2+／Fe2+电对的电位将降低(不考虑离子强度影响)。
A.
邻二氮菲
B.
HCl
C.
H3PO4
D.
H2SO4
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