题型：填空题 综合填空。（用方框里的单词填空，每词只能用一次。) take off, on, wet, with, Britain, and, or, anything, usually, country Different countries have different customs. Before you go to another 1 , it is a great help if you know thelanguage 2 some of customs of the country. In Japan, when you enter someone's home, you should 3 your shoes. In Brazil, people never go out with their hair 4 . In Indonesia, you mustn't point to 5 with your foot. Don't eat 6 your left hand in Muslim countries, and don't touch a child 7 the head in Thailand. When people meet each other for the first time in 8 , they say "How do you do?" and shake hands (握手). 9 they do not shake hands after they haven't met for a long time 10 when they will be away from each other for a long time. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 查看答案
题型：填空题 关于力，下列说法正确的是（）A.拳击运动员一记重拳出击，被对手躲过，运动员施加的力没有受力物体B.不相互接触的物体之间也可以存在力的作用C.重力、弹力、摩擦力是按力的性质命名的，动力、阻力、压力、支持力是按力的作用效果命名的.D.同一物体放在斜面上受到的重力小于放在水平面上受到的重力 查看答案