适宜的点火火焰颜色是()。

题型:填空题

问题:

适宜的点火火焰颜色是()。

考点:烧结工考试中级烧结工中级烧结工题库
题型:填空题

单词拼写

     根据下列各句句意和空白之后的汉语提示词,在横线上写出对应单词的正确形式,每空

只写一词。

1. __________ (天文学)is scientific study of the sun, moon, stars, planets, etc.

2. A week ago, father bought a Christmas tree ________ (装饰)with coloured lights.

3. Some books are to be tasted, others to be swallowed, and some few to be _______  (咀嚼)

    and digested.

4. A great celebration was held on his _________(50岁)birthday.

5. The news he __________ (传播) around the town was not true.

6. In fact, China is a_________(多山的)country.

7. At that time in the southern states, blacks were not treated as equal ________(公民) in the USA.

8. Though golf has more than 100 years of history in South Korea, it was only in the 1990s that it

     became popular __________ (全国范围).    

9. The man is carrying a heavy bag, __________ (重量达..) about thirty kilos.

10. Mike's family used to live in a __________(欧洲的) country.

题型:填空题

在复杂的体系中,确认化学反应先后顺序有利于解决问题,下列化学反应先后顺序判断正确的是(  )

A.在含等物质的量的AlO2-、OH-、CO32-的溶液中,逐滴加入盐酸:AlO2-、OH-、CO32-

B.在含等物质的量的FeBr2、Fel2的溶液中,缓慢通入氯气:I-、Br-、Fe2+

C.在含等物质的量的Ba(OH)2、KOH的溶液中,缓慢通入CO2:KOH、Ba(OH)2、K2CO3、BaCO3

D.在含等物质的量的Fe3+、Cu2+、H+的溶液中加入锌粉:Fe3+、Cu2+、H+、Fe2+

题型:填空题

确诊霍乱最可靠的依据是()。

A.粪便培养霍乱弧菌阳性

B.粪便涂片镜检阳性

C.严重腹泻

D.明显脱水

E.流行病学资料

题型:填空题

白头翁汤的主治证是

A.脾约

B.胸痹

C.热痢

D.结胸

E.蓄血

题型:填空题

集水系统主要有哪些类型?微区域集水系统(mawh)的结构和功能有什么特点?

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