搞好______的关键在于把握调查对象的代表性,它直接关系到调查效果。
A.市场调查B.重点调查C.典型调查D.抽样调查
参考答案:C
根据句意,用括号内所给英语和汉语的正确形式填空。
1. _________ Gina _________ (like) French fries ?
2. They __________ (not like) ice cream in summer.
3. Let's __________ (eat) chicken for lunch.
4. Jim __________ ( have) carrots and eggs for breakfast.
5. Liu Xiang is a __________ (run) star.
6. __________ your father __________ (have) hamburgers every day?
7. We eat __________ (好) every day.
8. I like eating __________ (蔬菜).
9. Kate likes salad and __________ (香蕉).
10. We eat lots of __________ (健康的) food every day.
护士协助患者坐轮椅,做法不正确的是()。
A.上坡时使患者面朝坡上
B.推轮椅时,嘱患者手扶轮椅扶手
C.推轮椅时速度宜慢
D.患者坐稳后放下脚踏板
E.患者尽量使身体靠前坐