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【单选题】
低钾症一般不表现为A.
碱中毒
B.
碱性尿
C.
心电图出现U波
D.
恶心呕吐
E.
腱反射减弱
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举一反三
【单选题】What do you know about the Seal of the United States?
A.
Its final version came into being in the 20th century.
B.
Jefferson first began to consider its design in 1774.
C.
It has gone through an even longer path of evolution than Uncle Sam.
【单选题】What do you know about Afghanistan from the first paragraph?
A.
Terrorists have destroyed the forests in Afghanistan.
B.
Afghanistan has suffered from the natural and man-made disasters.
C.
Soma refugees hunt snow leopards to gain profits in the border business.
D.
There has been a large area of forests in Afghanistan before.
【简答题】Do you know anything about Diane Birch? She is a young singer 小题1: music takes listeners back to the soul and pop music of the 1970s. She spent her childhood 小题2: moving from one place to another, she...
【单选题】What do you know about the Seal of the United States?
A.
lts final version came into being in the 20th century.
B.
Jefferson first began to consider its design in 1774.
C.
It has gone through an even longer path of evolution than Uncle Sam.
【简答题】听对话，回答问题。 1. Who is the letter from? A. Lucy. B. David. C. Peter. 2. What do you know about the pen friend? A. Friendly. B. Funny. C. Serious.
【简答题】给出下列命题：①若a，b∈R + ，a≠b，则a 3 +b 3 ＞a 2 b+ab 2 ；②若a，b∈R + ，a＜b，则 a+m b+m ＜ a b ；③若 a c 2 ＞ b c 2 ，则ln a＞ln b； ④ 当x∈(0， π 2 )时，sinx+ 2 sinx 的最小值为2 2 ；其中正确命题的个数为（ ） A．0个 B．1个 C．2个 D．3个
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