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【简答题】
Read the statements. Then watch the video clip again and fill in the blanks. U2_1_3.wmv 1. With over six million people, it's big, it's and you love it! It's very good for shopping and the nightlife is great, too. 2. It's got lots of clubs, , shops, food ... Everything you need, really. 3. Huge open spaces, fantastic animals, just wide open freedom, warmth, , and all underneath the great African sky. 4. To me, Paris is , romantic and expensive. 5. And behind Cape Town is the 1,000-meter-high Table Mountain, with its fantastic . 6. Friendly people, loads of beaches, and the food is unbelievably . 7. With every changing inch of the , the colors in the canyon change. 8. I remember actually sitting there ... and I just .
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举一反三
【多选题】下列程序中alert按顺序分别弹出()()()var a =10; function test(){ a=100; alert(a); alert(this.a);var a;alert(a);} test();
A.
10
B.
100
C.
undefined
D.
程序报错
【简答题】var a=3; alert(a); alert('a'); 结果依次为?
【单选题】var a = new Array(1,20,12,30); alert(a.reverse()); 弹出的值为()
A.
1,20,12,30
B.
1,12,20,30
C.
30,20,12,1
D.
30,12,20,1
【单选题】下面代码执行后的结果是( )。 var a = 1; function foo(){ var a=2; var b=3; alert(b); c = 4; } alert(a); foo(); alert(c);
A.
2,3,4
B.
1,3,4
C.
2,3, 出错
D.
1,3,出错
【单选题】下列程序中alert按顺序分别弹出:(B),(A),( ) var a=10; function test() { a= 100; alert(a); alert(this.a); var a; alert(a); } test();
A.
10
B.
100
C.
undefined
D.
程序报错
【单选题】考察以下程序片段: var str="12px"; var s=str.indexof(“2”) alert(s); 以下选项正确的是( )。
A.
输出1
B.
输出2
C.
输出p
D.
输出12
【单选题】读程序,选结果 var a=1; var b=2; var c=a; a=b; b=c; alert(a); alert(b);
A.
a=1 b=2
B.
a=2 b=1
C.
a=1 b=1
D.
a=2 b=2
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