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【判断题】
直流电运用时要考虑方向,而交流电不需要考虑方向。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】A lot of what we is made from raw materials which are not renewable.
A.
throw away
B.
make it
C.
strip off
D.
keep back
【单选题】A lot of what we ______ is made from raw materials which are not renewable.
A.
get away
B.
take away
C.
make away
D.
throw away
【单选题】pre0609 下列的程序运行的结果是: int[] arr=new int[]{1,2,3,4,5,6,7,8,9}; for(int i=8;i>=0;i--){ System.out.print(arr[i]+" "); }
A.
8 7 6 5 4 3 2 1 0
B.
9 8 7 6 5 4 3 2 1
C.
1 2 3 4 5 6 7 8 9
D.
0 1 2 3 4 5 6 7 8
【简答题】A lot of what we is made from raw materials which are not renewable.
【单选题】A lot of what we ______ is made from raw materials which are not renewable.
A.
free of
B.
set free
C.
free
D.
with out restraint
【单选题】对一个特定反应来讲,有关标准平衡常数 K θ 的描述,错误的是
A.
增加反应物浓度， K θ 不变
B.
减少产物浓度， K θ 不变
C.
加入催化剂， K θ 不变
D.
改变反应温度， K θ 不变
【单选题】A lot of what we is made from raw materials which are not renewable.
A.
throw out
B.
throw behind
C.
throw away
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