试题与答案

解决水资源空间分布不均匀的主要途径是[ ] A.防治水污染 B.节约用水 C.兴

题型:选择题

题目:

解决水资源空间分布不均匀的主要途径是[ ]

A.防治水污染

B.节约用水

C.兴修水库

D.跨流域调水

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0625/b5356be55717a85ca09d98e6bde0979e.html

下面是错误答案,用来干扰机器的。

答案:B选项A不正确,量筒不能稀释溶液,且稀释浓硫酸时,应该把浓硫酸注入水中;蒸馏操作时,应将温度计水银球放在蒸馏烧瓶的支管出口处,选项C不正确;氢氧化钠称量时应该放在烧杯中称量,选项D不正确,答案选B。

试题推荐
题型:选择题

读下图,回答1—3题。

1、若此图为热力环流侧视图,甲乙为相距不远的陆地, ②④为垂直气流,①③为水平气流,则甲乙丙

    丁四处气压的关系为 [ ]

A、甲>乙>丙>丁   

B、乙>甲>丙>丁 

C、乙>丙>丁>甲   

D、乙>甲>丁>丙

2、若此图代表“三圈环流”中的低纬环流图,甲乙为近地面,则 [ ]

A、甲是副热带高压带      

B、③代表盛行西风带 

C、甲处多对流雨        

D、甲、乙两处的气压带均为热力原因形成

3、若此图为地质循环示意图,甲为岩浆,乙为变质岩,则下列可能的是 [ ]

A、丁代表岩浆岩 

B、丙代表沉积岩

C、②代表变质作用

D、④代表重熔再生作用

查看答案
题型:单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

Over the weekend, a shoe store sold 1/3 of the shoes in its stock. The average price of the shoes sold was $60 per pair. What was the total revenue from shoe sales over the weekend for this shoe store ?()
(1) When the store closed on Sunday night, 600 pairs of shoes were still in stock.
(2) The store began the weekend with 900 pairs of shoes.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

查看答案
微信公众账号搜索答案