食物的氧热价是指A.1g食物氧化时消耗的氧量B.1L O2氧化某物质时所产生的热量C

题型:单项选择题

问题:

食物的氧热价是指

A.1g食物氧化时消耗的氧量
B.1L O2氧化某物质时所产生的热量
C.1g食物氧化时所产生的热量
D.1L O2氧化1g食物时所产生的热量
E.1s食物氧化时产生CO2的量

考点:公卫执业医师公卫执业医师
题型:单项选择题

It helps us understand the world better if we know a little geography and have some maps at hand. But with maps in Chinese only, misunderstanding is possible in studying world events. Chinese names are long, hard to pronounce and without meaning to a foreigner. For the opening of the country maps are important and helpful and needed badly.

I wish maps various languages, such as those used in the United Nations, would come out and be sold in all bookstores open to Chinese.

小题1:The writer is mainly talking about ____.

A.geography

B.maps

C.Chinese names

D.the opening of the country小题2:Knowing a little geography and having some maps in Chinese only, a foreigner ____.

A.can study world events easily

B.can study world events without misunderstanding

C.can’t study world events without misunderstanding

D.will fell joy in studying world events小题3:What are the difficulties for a foreigner to use a map in Chinese?

A.A foreigner has nowhere to buy a map

B.All the bookstores only open to Chinese.

C.The names of Chinese people are long, hard to pronounce and without meaning.

D.The names of places on a map in Chinese are long, hard to pronounce and without meaning.小题4:According to the passage maps in foreign language are badly needed ____.

A.in a country open to other parts of the world

B.if a country is going to join the United Nations

C.when we are learning geography

D.if there are no maps in bookstores open to Chinese

题型:单项选择题

在低室温环境中下述哪种药物易致体温降低()

A.氟烷

B.阿托品

C.麻黄碱

D.可卡因

E.肾上腺皮质激素

题型:单项选择题

妊娠期牙龈炎的致病菌是()

A.牙龈类杆菌

B.黏性放线菌

C.伴放线放线杆菌

D.梭形杆菌

E.中间型类杆菌

题型:单项选择题

无引线吊挂风筒时,应逐环吊挂在电缆钩上。

题型:单项选择题

在进行配载作业之前和当时应考虑事项各有哪些?

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