问题
名词解释
取样
答案
参考答案：遵循一定的规则，从一个总体中抽取有代表性的一定数量的个体进行研究的过程。
搜题请搜索小程序“爱下问搜题”
取样
参考答案：遵循一定的规则，从一个总体中抽取有代表性的一定数量的个体进行研究的过程。
| 完形填空。 |
| Lucy and Lily ① ② time on Sunday. They get up very ③ . After breakfast they go to the park. In the park, they ④ a lot of flowers. Lucy ⑤ to pick one of them. But Lily stops her. Then they go to the river. By the river, they find a small boat. They ⑥ the boat and start ⑦ on the river at 9 o'clock. Two hours later, they leave the river and begin ⑧ the hill near the river. They get to the top ⑨ half past eleven. There they have their lunch. What do they have ⑩ lunch? Eggs, bread and oranges. |
| （ ）①A. has （ ）②A. well （ ）③A. earlier （ ）④A. look for （ ）⑤A. want （ ）⑥A. get off （ ）⑦A. boating （ ）⑧A. to climb （ ）⑨A. in （ ）⑩A. of | B. had B. bad B. late B. find B. will want B. take off B. boated B. climbed B. at B. for | C. have C. better C. later C. look at C. wanted C. get on C. boat C. climb C. on C. to | D. having D. good D. early D. look after D. wants D. turn on D. boats D. climbs D. of D. at |