测定有机污染物用的土壤样品要选用玻璃容器保存。

题型:判断题

问题:

测定有机污染物用的土壤样品要选用玻璃容器保存。

考点:土壤监测工土壤监测工高级土壤监测工高级题库
题型:判断题

一位无牙颌患者,全口义齿戴用1年,上颌义齿塑料基托中线处纵折。口内检查发现牙槽嵴较低平,上颌弓后部宽度窄于下颌弓。

无牙颌上颌牙弓后部窄于下颌牙弓的原因是()

A.上颌牙槽嵴吸收向下向外

B.下颌牙槽嵴吸收向上向内

C.上颌牙槽嵴内侧吸收多

D.上颌牙槽嵴外侧吸收多

E.下颌牙槽嵴外侧吸收多

题型:判断题

完成句子

1. Large quantities of water ________________(污染了), so the lake smells terrible. (pollute)

2. After several weeks on a low-calorie diet-900 calories of fewer-the body keeps energy by slowing

the speed ________________(以此速度消耗)calories. (burn)

3. He hesitated for a moment before kicking the ball.  Otherwise he ________________(进球了).

(score)

4. ________________(越不紧张)the listeners are, the better their language acquisition will be.

(anxious)

5. ________________(比较答案)with those at the back of the book to see if they are right.

(compare)

6. I'll never understand ________________(怎么回事)you were late three times a week.  (come)

7. It was at the very beginning that she made the decision ________________(我们派遣)more

firefighters there. (send)

8. As I'm not sure ________________(从哪里着手开始)with my project, I would appreciate any

suggestions you may have. (start)

9. Some researchers believe that there is no doubt ________________(一定会找到方法) to stop

the new disease spreading. (find)

10. Mary is strongly opposed to ________________(购物)on Sunday because the streets are full

of people. (do)

题型:判断题

一个像对立体模型的绝对定向至少需要( )控制点。

A.三个平面
B.四个平高点
C.三个平高
D.两个平高和一个高程

题型:判断题

什么是恒速烘燥阶段?

题型:判断题

下图是某中学地理兴趣小组在野外进行考察活动时绘制的景观图,回答下列小题。

下列地理事物的形成,与下图地貌成因基本一致的是()

A.斯堪的纳维亚半岛西海岸幽深的峡湾

B.戈壁滩

C.东非大裂谷

D.雅鲁藏布江大峡谷

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