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【单选题】
Which statement is not true about this study?A.
The study still needs further research before arriving at some solid conclusion.
B.
The study does not seem to support the global teenager hypothesis.
C.
The study shows some cultural difference among the countries.
D.
The study confirms researchers’ guesses about the global teenager culture.
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举一反三
【单选题】听力原文：M: Excuse me, I'd like to send a registration letter to Houston, Texas. How much is the postage? W: Let me check. It's a dollar and 55 cents. Q: What is the probable relationship between the two ...
A.
Shop assistant and customer.
B.
Post clerk and customer.
C.
Store keeper and customer.
D.
Waitress and customer.
【简答题】组蛋白是一类与染色体 DNA 结合的重要蛋白质,在这类蛋白质中 Arg 和 Lys 的百分含量很高( 15 ~ 30% )。试问测定组蛋白的序列是否容易?为什么?
【单选题】Speaker A: Excuse me. I'd like to exchange this watch. I just bought it, but look at this. Speaker B: ______
A.
Yes, I know your watch is new, but I like my old one better.
B.
What seems to be the problem?
C.
Thank you for your kindness, but my watch still works.
D.
Sorry. Why didn't you examine it carefully before you bought it?
【多选题】关于肺的描述正确的有( )
A.
两肺下面借膈肌与腹腔脏器相隔
B.
肺尖高出锁骨内侧上方2-3厘米
C.
位于胸腔内，纵膈两侧
D.
右肺分上、下两叶
E.
左肺分上、中、下叶
【单选题】Proper lubrication of the main bearing is more easily obtained in a single acting four-stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because （）
A.
bearing pressure in a four-stroke/cycle acting single diesel engine is continually reversed
B.
bearing pressure in a two-stroke/cycle single acting diesel engine is continually reversed
C.
the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine
D.
two-stoke/cycle diesel engines require more complicated lubrication piping
【简答题】Excuse me, I'd like to this dress. I bought it yesterday.
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