一个铺路队2.5时铺路150米,照这样的速度,要铺1200米,需要多长时间?
1200÷(150÷2.5)=20(时)
“苏联变脸快、美国封锁严、领袖压力大、百姓生活苦。”此情况应发生在中国[ ]
A.20世纪40年代末50年代初
B.20世纪50年代末60年代初
C.20世纪60年代末70年代初
D.20世纪70年代末80年代初
短文填空。(每空2分,共16分)
根据下列短文内容,在短文后的空格处填上一个恰当的词,使短文完整、通顺。
Remember to be a good boy or a girl any time. It’s important to have good manners, especially in some public 小题1: . When you are waiting in line, don’t jump the queue. Be patient. Don’t stand too close to others in the line. Keep 20cm 小题2: if you can.
Follow the advice of the workers when your are having a visit on a place of interest. Do not climb on exhibitions. Make 小题3: it’s OK to take pictures before you hold up your camera. When you go to shows, 小题4: clean clothes. You should get to the show 15 minutes before it starts. During the shows, turn 小题5: your cell phone. Don’t eat during the show. Restaurants will be quite busy. Do not stay too long 小题6: you finish eating. Remember to 小题7: your rubbish away after the meal.
Good manners can make you a gentleman or a lovely lady. 小题8: you are, others will be pleased with you.