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【单选题】
若有理数a、b满足ab>0,a+b<0,则下列说法正确的是 [     ]
A.
a、b可能一正一负
B.
a、b都是正数
C.
a、b都是负数
D.
a、b中可能有一个为0
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【判断题】胸骨旁线是经胸骨线与锁骨中线之间的中点所作的垂直线。
A.
正确
B.
错误
【单选题】— Did you take your raincoats and umbrellas? — _____. [     ]
A.
Yes, I am
B.
Yes, I do
C.
Yes, I did
【单选题】c 语言程序中,运算对象必须是整型数的运算符是( )
A.
&&
B.
%
C.
*
D.
/
【简答题】β-折叠片结构的维持主要依靠两条肽键之间的肽键形成________来维持。(低阶)
【简答题】Fill in the blanks with the words or phrases given blow. trip travel breath pulled in subway John:How did you enjoy your trip yesterday,Susan? Susan:A lot....
【单选题】第一位获得诺贝尔文学奖的中国本土作家是
A.
老舍
B.
巴金
C.
莫言
D.
高行健
【单选题】Camilla: Did you take your medicine?
A.
Oh! I always forget to take it.
B.
Oh! I am forgetting always to take it.
C.
Oh! I forget always to take it.
【单选题】Man: Did you take your children out last weekend? Woman: Yes. And they had the time of their lives at the amusement park. Question: What can we learn about the children in the amusement park?
A.
The children enjoyed themselves very much.
B.
They had a good time for the first time in their lives.
C.
They were met with 3 dangerous situation.
D.
They were amused with some breathtaking games.
【单选题】胸骨旁线是指
A.
沿胸骨体侧缘所作的垂线
B.
沿胸骨最宽处外侧缘所作的垂线
C.
沿胸骨线与锁骨中线之间的中点所作的垂线
D.
胸骨最窄处外侧缘所作的垂线
E.
胸锁关节中心所作的垂线
【单选题】Did you take your ______? —Yes, I have a little fever.
A.
medicine
B.
photo
C.
temperature
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