ZXD1200-24（V3.0）50A前面板有一个输出电压微调电位器，顺时针调节电位

患者，男性，18岁，发热待查收入院，病人神志清楚，精神萎靡，全身消瘦。

疑诊败血症，需留取血培养标本，下列操作错误的是（）

A.用无菌培养瓶

B.采集量为5～10ml

C.将血液注入培养瓶后轻轻摇动

D.胶塞经火焰消毒后塞好

E.为了减轻病人痛苦，可在输液针头处取血

How different is the impression produced by_____________ today!

A．the Beijing of

B．the Beijing from

C．Beijign of

D．Beijing from

依次填入下列横线上的词语，最恰当的一项是 ( )

①一些诗歌内容贫乏，意境浅薄，字句也未经____，读起来实在乏味。

②移民问题被认为是一个直接____三峡工程成败的”世界级”难题。

③我们订这个方案的目的是根据儿童生理发育特点，____地对他们进行正确教育。

④组织上应该非常慎重地评价一个人，因为这些结论往往会影响他的____。

A．推敲 关系 适当 终生

B．锤炼 决定 适时 终生

C．推敲 决定 适当 终身

D．锤炼 关系 适时 终身

造成油罐跑油的原因有（）

A、工作责任心不强，缺乏检查，或违纪脱岗

B、切水作业时，人脱离现场

C、油罐收油温度高

D、油罐检修施工质量差

From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 1 , they were like newborn children, unable to use this 2 tool. Yet once language developed, the possibilities for human kind’s future 3 and cultural growth increased.

Many linguists believe that evolution is 4 for our ability to produce and use language. They 5 that our highly evolved brain provides us 6 an innate language ability not found in lower 7 . Proponents of this innateness theory say that our 8 for language is inborn, but that language itself develops gradually, 9 a function of the growth of the brain during childhood. Therefore there are critical 10 times for language development.

Current 11 of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 12 , more and more schools are discovering that foreign languages are best taught in 13 grades. Young children often can learn several languages by being 14 to them, while adults have a much harder time learning another language once the 15 of their first language have become firmly fixed.

16 some aspects of language are undeniably innate, language does not develop automatically in a vacuum. Children who have been 17 from other human beings do not possess language. This demonstrates that 18 with other human beings is necessary for proper language development. Some linguists believe that this is even more basic to human language 19 than any innate capacities. These theorists view language as imitative, learned behavior. 20 , children learn language from their parents by imitating them. Parents gradually shape their child's language skills by positively reinforcing precise imitations and negatively reinforcing imprecise ones.

请在4处填上正确答案（）

A.essential

B.available

C.reliable

D.responsible