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【单选题】
下列关于重力的说法,错误的是( )。
A.
重力的大小与质量成正比
B.
重力的方向总是竖直向下
C.
重力有大小也有方向
D.
重力大小为9.8牛顿
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参考答案:
举一反三
【单选题】运行下面程序,若从键盘输入字母“b”,则输出结果是 char c; c=getchar(); if(c>='a'&&c<='u')c=c+4; else if(c>='v'&&c<='z')c=c-21; else printf('input error!/n'); putchar(c);
A.
g
B.
w
C.
f
D.
d
【单选题】运行下面程序,若从键盘输入字母b,则输出结果是() int main() { char c; c=getchar(); if(c>=a'&&c='v'&&c<='z') c=c-21; else printf("input error!\n"); putchar(c); }
A.
g
B.
w
C.
f
D.
d
【单选题】According to a recent American study, people start losing their mental ability______.
A.
in their early teens
B.
in their mid-sixties
C.
in their mid-twenties
D.
in their early thirties
【单选题】It is not easy for a great star to _____ when losing his ability of taking care of himself. [     ]
A.
pull through
B.
let out
C.
wake up
D.
take up
【单选题】what is the problem with the young people in Britain?
A.
They are losing their ability to remain confident.
B.
They are losing their ability to express themselves clearly and accurately.
C.
They are unable to study a foreign language.
D.
They are unable to lose weight.
【多选题】治疗有机磷中毒时,阿托品化的主要指征有
A.
骨骼肌震颤消失
B.
瞳孔扩大
C.
皮肤变干,脸色潮红
D.
意识转好
【简答题】Directions: Fill in the blanks with the following words:enthusiasmresolutionsuccessvaluesecretSuccess is the ability to go from failure to failure without losing your___________.
【单选题】The process of gaining or losing weight can be explained by comparing your body to your car. Both run 【B1】______ fuel, food for your body and gasoline for your car. Both 【B2】______ that fuel, first in...
A.
in
B.
on
C.
for
D.
against
【多选题】治疗有机磷中毒时,阿托品化的主要指征是:
A.
骨骼肌震颤消失
B.
瞳孔扩大
C.
意识好转
D.
皮肤变干、颜面红热
E.
腺体分泌减少,肺部啰音减少或消失
【单选题】Education is the ability to listen to almost anything without losing your (temper).
A.
交易
B.
跟踪
C.
坏脾气;使暖和
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