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【单选题】
与where sage between 20 and 30语句等价的子句是_______________
A.
where sage>20 and  sage<30
B.
where sage>=20 and  sage<30
C.
where sage>=20 and  sage<=30
D.
where sage>20 and  sage<=30
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参考答案:
举一反三
【单选题】var arr = new Array(5); console.log( arr.length );该程序的结果为( )。
A.
0
B.
1
C.
5
D.
10
【简答题】The small child was not old enough to ________ him self.
【单选题】Think of what a small child __
A.
does
B.
do
C.
will do
D.
would do
【简答题】练习册,P59 3、用所给单词的适当形式填空。
【单选题】var arr = new Array(4); arr[4]="myname”; 则alert(arr.length)的结果是什么";
A.
4
B.
5
C.
6
D.
7
【单选题】分析下面的代码,输出的结果是( ) var arr=new Array(5); arr[1]=1; arr[5]=2;
A.
2
B.
5
C.
6
D.
报错
【单选题】The child is too small to dress ______.
A.
him
B.
his
C.
himself
【简答题】Judging by the handwriting,the letter must have been written by a small child.
【单选题】The small child was not old enough to himself.
A.
have
B.
wear
C.
dress
D.
put
【单选题】BM运营模式下,首端车载信标天线故障时,列车失去定位,并实施紧急制动。紧急制动缓解后,列车只能以( )模式运行()。
A.
NRM
B.
CM
C.
AM
D.
RM
参考解析:
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