一般事故由设区的市的特种设备安全监督管理部门会同有关部门组织事故调查组进行调查。

阅读理解。    

     Mike and Tom are in the same (相同的) school. They are in the same grade (年纪), too. Mike

has English classes in the morning, but Tom has English classes in the afternoon. After school, they

play games. They often play basketball, play football,  fly kites and ride bikes. They can jump.  swim

and sing, too. They are good students. They like their school.

根据短文内容把下面对话补充完整。

1. — _______ Toro and Mike in the same grade?

    — _______, they are,

2. — Who has English classes in the afternoon?

    — Tom                in the afternoon.

3. — What do they do after school?

    — They play _             after school.

4. — Are they _            ?

    — Yes. They are.

5. — Do they like their school?

    — Yes,               .

下列有关汇率的说法正确的是 （  ）

A．外币汇率升高，外币币值贬值，本国货币币值升值

B．外币汇率跌落，外币币值升值，本国货币币值贬值

C．一国货币升值，有利于该国的商品出口，但不利于进口外国产品

D．一国货币升值，会带来该国出口产品的竞争力下降

以下四个命题：①在同一平面内，过一点有且只有一条直线与已知直线垂直；②若a>b，则-2a>-2b；③如果三条直线a、b、c满足：a∥b，b∥c，那么直线a与直线c必定平行；④对顶角相等，其中真命题有（   ）个.

A．1

B．2

C．3

D．4

在窗体上画一个命令按钮，其名称为Command1，然后编写如下事件过程：
PrivateSubCommand1_Click()
Dim i As Integer，x As Integer
For i＝1 To 6
If i＝1 Then x＝i
If i＜＝4 Then
x＝x+1
Else
x＝x+2
End If
Next i
MsgBox X
End Sub
程序运行后，单击命令按钮，其输出结果为______。

颗粒大，密度低，含三酰甘油约50％，为冠心病危险因素的脂蛋白是（）。

A.极低密度脂蛋白

B.乳糜微粒

C.高密度脂蛋白

D.中密度脂蛋白

E.低密度脂蛋白