与草乌配伍属于"相反"的是（） A.浙贝母 B.巴豆霜 C.赤石脂 D.

根据信息完成下面的表格。

     Guo Peng gets up at six thirty every morning, and he goes to school at seven forty. He has math at eight

thirty and science at nine thirty. Biology is his favorite subject. He loves it because it's really interesting and

funny. Mr. Baldwin is his math teacher. He eats lunch at school. His music and P.E. classes are usually in

the afternoon. They are relaxing. He does not like history, because it's boring. He has seven classes on

Monday, Tuesday and Thursday. He has six classes on Wednesday and Friday.

                                                            Guo Peng's information

1._______ 2._______ 3._______ 4._______ 5._______

已知以a^m=2，aⁿ=4，a^k=32．

（1）a^m+n=______；

（2）求a^3m+2n-k的值．

要限制宏命令的操作范围，可以在创建宏时定义( )。

A．宏操作对象

B．宏条件表达式

C．窗体或报表控件属性

D．宏操作目标

“正常的”性行为( )。

A．取决于所在的社会文化

B．各文化间显著相似

C．取决于占主导的宗教力量

D．取决于统治阶级与法律约束

古代两河流域最突出的文化成就是什么人发明的楔形文字。( )

A．阿卡德人

B．阿摩利人

C．苏美尔人

D．腓尼基人