世界上人口密度最大、人口自然增长率最低的大洲是（ ） A．亚洲 B．欧洲 C．非

Read and choose.

A. What did you do yesterday?

B. How did you go there?

C. What day is it today?

D. What did you do there?

E. What day was it yesterday?

F. Did you play computer game with your cousin?

G. Yes, I did.

A: 1.                                     ?

B: It was Saturday.

A: 2.                                     ?

B: I went to visit my cousin.

A: 3.                                     ?              

B: I went by bike.

A: 4.                                     ?            

B: I played computer games with my cousin.

A: Did you eat good food in you cousin's home?

B: 5._                                   . It was delicious.

体内贮存的脂肪主要来源于

A．脂酸

B．生糖氨基酸

C．葡萄糖

D．类脂

E．酮体

对建立良好的程序设计风格，下列描述正确的是( )。

A．程序应该简单、清晰、可读性好

B．符号名的命名只需要符合语法

C．充分考虑程序的执行效率

D．程序的注释可有可无

在防盗中最广泛的基础防范措施是（）

A、人防

B、物防

C、技防

D、他防