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【单选题】
下列变量名称有误的是A.
$_1na=12;
B.
$myweb=“www.163.com”;
C.
$Site163=“www.163.com”;
D.
$我的变量=“test”;
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举一反三
【单选题】He has given a series of ______ of his loyalth and sincerity
A.
proof
B.
prooves
C.
proofs
D.
proofes
【单选题】陆游《游山西村》一诗中具有哲理意味的名句是( )。
A.
莫笑农家腊酒浑，丰年留客足鸡豚
B.
山重水复疑无路，柳暗花明又一村
C.
策鼓追随春社近，衣冠简朴古风存
D.
从今若许闲乘月，拄杖无时夜叩门
【简答题】信号肽(signal peptide)
【单选题】–What do you think of Super Brain on JSTV? --Oh, excellent. It’s worth ___________ a second time. A. to watch B. to be watched C. watching D. bei...
A.
B.
C.
D.
D
【单选题】Just like the author stated here, ______.
A.
the brain of an elephant accounts for 1/50 of his total weight
B.
many kinds of animals have brains larger than men have
C.
man's brain seldom weighs much over three pounds
D.
in proportion to his total weight, man's brain is the largest of animal brains
【简答题】Now put into each gap in the sentences the proper word from the words given below. suspect doubt 1. Mary has been told by her boss to finish two reports within 24 hours. I ______________...
【单选题】While I _____ television, the door bell _____.
A.
watched/would ring
B.
would watch/had rung
C.
was watching/rang
D.
had been watched/was ringing
【单选题】关于 导数(derivatives),说法错误的是:
A.
导数表示的是斜率
B.
导数表示的是加速度
C.
导数可以理解为线性（或非线性）的主要趋势
D.
一个函数在不同点的导数值保持不变
【简答题】前导肽(leader peptide)
【单选题】Paragraph H mainly discuss__________
A.
thinking things through
B.
a larger brain capacity
C.
specialist area.
D.
the critical time
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