智利的首都在阿根廷首都的（ ） A．东北 B．西北 C．东南 D．西南

根据句意、英文释义、首字母或中文提示完成下列句子。

1. W           comes after autumn.

2. On New Year’s Day we can get red packets from our parents , and there is always some          in them.

3. He is short, playing basketball is                 (difficult) for him.

4. Peter and I are              (都) from England.

5. All the students are here e               Tom, he is ill at home.

测定烃源岩有机质成熟度的常用方法有孢粉和干酪根的颜色、镜煤反射率、轻烃组份等。

锦鲤

在窗体上画一个命令按钮，然后编写如下程序：
Sub S1(ByVal X AS Integer，ByVal y As Integer)
Dim t As Integer
t=x
x=y
y=t
End Sub
Private Sub Command1_Click()
Dim a As Integer，b As Integer
a=10
b=30
S1 a，b
Print"a="；a；"b="；b
End Sub
程序运行后，单击命令按钮，输出结果是： ______。

A．a=30 b=10

B．a=30 b=30

C．a=10 b=30

D．a=10 b=10

2岁的宝宝应该用什么工具辅助断奶呢？