皮皮学，免费搜题
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【判断题】
安全网是用来防止人、物坠落、或用来避免、减轻坠落物伤人的网具。()A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】有如下程序段,从键盘输入数据的正确形式应是()。 float x,y,z; scanf("x=%d,y=%d,z=%d",&x,&y,&z);
A.
123
B.
x=1,y=2,z=3
C.
1,2,3
D.
x=1 y=2 z=3
【单选题】有如下程序段,从键盘输入数据的正确形式应是 ( ) 。 int x, y, Z; scanf("%=‰d,y=‰d,z=%",8a,&y,8z);
A.
123
B.
x=1,y=2,z=3
C.
1,2,3
D.
x=1 凵 y=2 凵 z=3
【单选题】Long Conversation Directions: Listen to a long conversation and choose the best ans wer to each question you hear. 1.
A.
One or two times.
B.
Two or three times.
C.
Three or four times.
D.
Four or five times.
【单选题】有如下程序段,从键盘输入数据的正确形式应是( )。 int x,y,z; scanf("x=%d,y=%d,z=%d",&a,&y,&z);
A.
123
B.
x=1,y=2,z=3
C.
1,2,3
D.
x=1 y=2 z=3
【单选题】Most Chinese parents would prefer to choose some professions that are stable ans could bring () and economic benefits.
A.
dedication
B.
prestige
C.
pursuit
【单选题】Long Conversation Directions: Listen to a long conversation and choose the best ans wer to each question you hear. 1.
A.
To get permission to attend his class.
B.
To get permission to quit his class.
C.
To get permission for a sick leave.
D.
To get permission to get her essay back.
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