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【单选题】
下列哪条语句是正确的( )A.
A=[1 2;3 4];B=[3;7]; *B;
B.
A=[2 3 5 7;9 4 6 1;7 3 2 5];B=[1 7;0 5];A(2:end,2:2:end)
C.
A=cell(2,3); A(1,2)=[4;5]
D.
x=-5:5;y=-5:5;z=x.*x-y.*y;surf(x,y,z)
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A.
. ①②
B.
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C.
. ②④
D.
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【单选题】As there was no 8 to call for help, I leaned back in my seat trying my best to keep the wound from .
A.
place
B.
strength
C.
tools
D.
way
【简答题】I leaned back in the chair and s_____________. (v. 伸展肢体 伸懒腰)
【单选题】有关口服避孕药的指导，错误的是
A.
需妥善保管口服避孕药
B.
注射避孕针后应观察15分钟方可离开
C.
计划受孕者，停药后即可受孕
D.
哺乳期妇女不宜服用避孕药
E.
注射避孕针剂时，注意将安瓿中药液吸尽
【简答题】I leaned back in the chair and s_______.
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A.
①②
B.
①③
C.
②④
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A.
Pleased, because it was an easy question to answer.
B.
Bored, because she wasn't interested in maths.
C.
Worried, because she was the only one who didn't know the answer.
D.
Confused, because she didn't understand the question.
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A.
rotting
B.
bleeding
C.
hurting
D.
spreading
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