耗氧量是1L水中还原性物质在一定条件下被氧化时所消耗的() A.氧毫克数 B.氧化剂

题型:单项选择题

问题:

耗氧量是1L水中还原性物质在一定条件下被氧化时所消耗的()

A.氧毫克数

B.氧化剂毫克数

C.氧克数

D.氧化剂克数

考点:净水工净水工(技师)净水工(技师)题库
题型:单项选择题

广义教育包括社会教育、学校教育、__________。

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用6个边长1厘米的小正方形拼成一个大长方形,拼成的长方形周长是多少厘米?

题型:单项选择题

Reidel叶是一种正常肝脏变异,其定义是()

A.肝左叶的伸长

B.尾状叶的舌状伸长

C.肝右叶的舌状伸长

D.肝左外叶的舌状伸长

E.肝方叶的舌状伸长

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Win $ 50 in the Coolest Gadget of the Week

Look at what’s the coolest gadget (vote for a chance to win $ 50).

Cryo S: A Cool Netbook Cooler

Like the other devices of NZXT, the Cryo S was designed to provide a competitive advantage at PC gaming. It has two adjustable 120mm fans that provide powerful cooling.

The full post can be found on Trends Updates.

Starry Night Bed

Are you having trouble getting that good nights sleep that you’re needing? Well, not any more. Why not take a look at the Starry Night Bed? The Starry Night Bed is a great new invention which will revolutionize the way in which you sleep. Not only is this bed fashionable and comfortable but it’s also a gadget heaven. With this bed you get many added gadgets including anti-snore technology, movie projector with speakers, temperature control and many more.

The full post can be found on Tech Styling.

Fugoo—talking gadgets

Fugoo gets all your appliances(装置,设备) talking to each other so your alarm clock could first wake you up and then tell the coffee machine to start working  while checking traffic conditions online to tell you how long it will take you to get to work.

The full post can be found on Decide What to Buy.

Vote  What is this week's coolest gadget?

〇 A Cool Netbook Cooler

〇 Starry Night Bed

〇 Fugoo—talking gadgets

小题1:Where can you find the full post of the “Cryo S”?

A.Tech Styling.

B.Super Cool Pets.

C.Decide What to Buy.

D.Trends Updates.小题2:If you buy a Starry Night Bed, you can get all the following gadgets EXCEPT ___________.

A.temperature control

B.movie projector

C.adjustable fans

D.anti-snore technology小题3:From this passage, we learn that Fugoo can_________.

A.check traffic conditions

B.wake you up

C.take you to work

D.make coffee小题4:Where does this advertisement probably come from?

A.A magazine.

B.A website.

C.A newspaper.

D.A textbook.

题型:单项选择题

如果1211灭火器无喷射软管,可用一手握住开启压把,另一只手扶住灭火器的()。

A、中间部分

B、底圈部分

C、压盖部分

D、软管根部

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