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【单选题】
在排卵前一天血液中出现生成素高峰,若是先用抗雌激素血清处理动物,则生成素高峰消失。表明生成素高峰是由下列哪种激素高峰所诱导的
A.
雌激素
B.
孕激素
C.
卵泡刺激素
D.
肾上腺皮质激素
E.
促肾上腺皮质激素
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举一反三
【单选题】以下不合法的数值常量是
A.
1e1
B.
011
C.
0xabcd
D.
8.0E0.5
【单选题】以下不合法的字符常量是
A.
‘\018’
B.
‘\''’
C.
‘\\’
D.
‘a’
【单选题】Please allow me to__________Mr. Black to you.
A.
introduction
B.
introductory
C.
introducuce
【单选题】以下不合法的字符常量是
A.
'\018’
B.
'\’
C.
'\\’
D.
'\xcc’
【单选题】Mr. Park, I know I am late, but please allow me to explain it to you, ________?
A.
don’t you
B.
do you
C.
won’t you
D.
will you
【单选题】以下不是合法常量的是
A.
35L
B.
0x33
C.
0349
D.
3E-6
【单选题】First of all, please _____ me to introduce myself to you.
A.
make
B.
agree
C.
let
D.
allow
【单选题】以下不合法的字符常量是
A.
'2'
B.
'ab'
C.
'A'
D.
'\n'
【单选题】Please allow me ( ) myself.
A.
introduced
B.
introducing
C.
to introduce
D.
introduction
【单选题】— Please allow me to introduce Mr. Smith, manager of the department. — __________________
A.
I allow you to introduce him.
B.
Haven't we met before?
C.
I haven't seen you before.
D.
Please to meet you.