已知斜面倾角为30°，斜面高为2m。小兵同学用绳子沿斜面将重为400N的木箱由斜

根据所给汉语提示完成句子。

1. You shouldn't _____ _____ (与……争吵) your parents like that.

2. They also visited _____ _____ (别的地方) after they left the museum.

3. My family all went to the new zoo last Sunday _____ (除我之外).

4. His father was angry with him, because he _____ _____ (做错事) while at school.

5. I think there are lots of things _____ _____ _____ (我们可以做).

歼击机在进入战斗状态时要丢掉副油箱，这样做是为了[ ]

A．减小质量，使运动状态易于改变

B．减小质量，使运动状态不易改变

C．增大惯性，使运动状态易于改变

D．增大惯性，使运动状态不易改变

设SS=2000H，SP=0100H，执行PUSHBP指令后，栈顶的物理地址是______。

A) 2000H
B) 00FEH
C) 20FEH
D) 1000H

在天然石材铺设前，应对石材与水泥砂浆交接部位涂刷( )。

A．防腐防护剂
B．防滑剂
C．抗渗防护剂
D．抗碱防护剂

下面程序段的输出结果是( )。
public class Test t
public static void main(String[] args)
int x=0;
for (int i=1;i＜＝4;i++)
x=4;
for(int j=1;j＜＝3; j++)
x=3;
for(int k=1; k＜＝2; k++) x=x+6;


System. out. println (x);

A．36

B．48

C．144

D．15