What are the 8 Ivy League schools?1.________;2_________;3_________；4_________; 5___________;6_________; 7_________; 8________

下图中1-5的图层类型分别是: 1__________图层; 2__________图层; 3__________图层; 4_________图层; 5__________图层。[img=589x762]17e0c62546ff242.png[/img]

A good book may be among the best friends. It is the same today that it always was, and it will never change. It is the most 3___________of companions. It does not turn its back upon us in times of 4_________ or distress.

Shop assistant: Hello, how can I help you?Customer: 1_________Shop assistant: How about these? They’re very popular.Customer: I like the style. 2__________Shop assistant: Of course. 3__________Customer: 25.Shop assistant: 4_________ The fitting room is over there.Customer: I think they’re a bit tight.5__________Shop assistant:Yes. Try this pair.

在所给的算式中，填上+、-、×、÷和（ ），使得下面算式成立。（1）4 4 4 4＝1（2）4 4 4 4＝1（3）4 4 4 4＝2（4）4 4 4 4＝3[8分]

数列-4, 4, -4, 4, -4…….

表达式4^4\4*4*4/4 Mod 4的值是

【多选题】在下面 4 个 4 中间填上适当的运算符号和小括号使算式成立。 4 4 4 4=2 A. 4÷ 4 +4÷ 4=2 B. 4× 4÷ （ 4+ 4 ） =2 C. 4+ 4 +4 ×4=2 D. 4- （ 4 +4 ） ÷4=2 答

单音听辨。十个音为一组，含有变化音升4 [音频]/module/audioplay.html?objectid=525dda751efa2c644ef98798529599a7: *4 | 7 |升4 |-5 | 4 | 升4 |*4 | 4 |1 |*4 ||*4 | 7 |升4 |-5 | 4 | 升4 |*4 | 4 |2 |*4 ||*4 | 7 |升4 |-5 | 4 | 升4 |*4 | 6 |2 |*4 |

下列哪个是《圆舞曲》的乐段结构？ A: a(4）+b(4)+a(4)+c(4) B: a(4）+b(4)+a(4)a1(4) C: a(4）+b(4)+a1(4)+c(4)