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【单选题】
要将 0.1m宽的地物在地形图上表示出来，所选的测图比例尺不宜小于( )。A.
1 : 500
B.
1 : 1000
C.
1: 2000
D.
1 : 5000
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举一反三
【单选题】It ______ all week. I hope it stops by Saturday.
A.
rained
B.
has been raining
C.
have rained
D.
is raining
【简答题】It ____(rain)all week. I hope it stops by saturday.
【简答题】用 take part in, join in 和 join 的适当形式填空。 1. I hope that you’ll all ________ thediscussion this afternoon. 2. It is three months since he ______the football club. 3. All the students ___________ theacti...
【单选题】定义String s=null，会出现异常的选项是( )。 Ⅰ：if((s!=null)&(s.length()＞0)) Ⅱ：if((s!=null)&&(s.length()＞0)) Ⅲ：if(s==null)|(s.length()==0)) Ⅳ：if(s==null)||(s.length()==0))
A.
Ⅱ、Ⅲ
B.
Ⅱ、Ⅲ、Ⅳ
C.
Ⅰ、Ⅲ
D.
Ⅲ、Ⅳ
【简答题】简述基于区域策略防火墙的设计步骤。
【简答题】It ______(rain)all week. I hope it stops by Saturday because I want to go to the beach.
【简答题】It ____(rain)all week. I hope it stops by saturday.
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