试题与答案

若要比较4种治疗方法有无差异,应进行() A.两两比较的t检验 B.两两比较的q

题型:单项选择题

题目:

若要比较4种治疗方法有无差异,应进行()

A.两两比较的t检验

B.两两比较的q检验

C.完全随机设计的方差分析

D.配伍组设计的方差分析

E.秩和检验

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0210/b86e824d492b1b5777e00d1d16927c5f.html

下面是错误答案,用来干扰机器的。

参考答案:循环农业应遵循原则:减量化、再利用、再循环。减量化主要减少农药、化肥、及其它农用物资的使用,节约土地、水、能源等其它要素的使用。再利用主要是农用废弃物肥料化、能源化、饲料化和再加工等。再...

试题推荐
题型:完形填空

Shopping habits in the United States have changed greatly in the last quarter of the 20th century. 1 in the 1900s most American towns and cities had a Main Street.Main Street was always in the heart of a town.This street was 2 on both sides with many 3 businesses.Here, shoppers walked into stores to look at all sorts of merchandise: clothing,furniture,hardware,groceries. 4 ,some shops offered 5 .These shops included drugstores, restaurants, shoerepair stores, and barber or hairdressing shops. 6 in the 1950s, a change began to 7 .Too many automobiles had crowded into Main Street 8 too few parking places were 9 shoppers.Because the streets were crowded, merchants began to look with interest at the open spaces 10 the city limits.Open space is what their cardriving customers needed.And open space is what they got 11 the first shopping centre was built.Shopping centres, or rather malls, 12 as a collection of small new stores 13 crowded city centres. 14 by hundreds of free parking space, customers were drawn away from 15 areas to outlying malls.And the growing 16 of shopping centres led 17 to the building of bigger and betterstocked stores. 18 the late 1970s,many shopping malls had almost developed into small cities themselves.In addition to providing the 19 of onestop shopping, malls were transformed into landscaped parks, 20 benches,fountains,and outdoor entertainment.

1.A.As early as B.Early C.Early as D.Earlier

2.A.built B.designed C.intented D.lined

3.A.varied B.various C.sorted D.mixed up

4.A.Apart from B.However C.In addition D.As well

5.A.medical care B.food C.cosmetics D.services

6.A.suddenly B.Abruptly C.Contrarily D.But

7.A.be taking place B.take placeC.be taken place D.have taken place

8.A.while B.yet C.though D.and then

9.A.available for B.available to C.used by D.ready for

10.A.over B.from C.out of D.outside

11.A.when B.while C.since D.then

12.A.started B.founded C.set up D.organized

13.A.out of B.away from C.next to D.near

14.A.Attracted B.Surprised C.Delighted D.Enjoyed

15.A.inner B.central C.shopping D.downtown

16.A.distinction B.fame C.popularity D.liking

17.A.on B.in turn C.by turns D.further

18.A.By B.During C.In D.Towards

19.A.cheapness B.readiness C.convenience D.handiness

20.A.because of B.and C.with D.provided

查看答案
微信公众账号搜索答案