蒸煮能使细菌体的蛋白质凝固变性,大多数病原体经过()的蒸煮均可死亡。 A.3~5mi

题型:单项选择题

问题:

蒸煮能使细菌体的蛋白质凝固变性,大多数病原体经过()的蒸煮均可死亡。

A.3~5min

B.5~10min

C.15~30min

D.30~60min

考点:育婴师考试高级育婴师高级育婴师题库
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根据首字母和汉语提示完成句中单词。

1. Can you t________ this letter from German to English?

2. Our g________ is well worth believing. Do you agree with me?

3. We live in the twenty-first c________.

4. The word has two different p________.

5. Mary is r________ as one of the best singers in our class.

6. Mr Li has a special way of making his classes interesting and ________. (生动的)

7. The basket is very ________ (轻), so the boy can easily pick it up.

8. I think you've made ________ (错误), this isn't my coat.

9. Don't you know me? I live next door. We are ________ (邻居).

10. My brother has lost a(n) ________ (机会) to study in England.

题型:单项选择题

某扩建中型项目,建设前后噪声级增高量为11dB,受影响人口显著增多,此建设项目声环境影响应按()进行工作。

A.一级评价

B.二级评价

C.三级评价

D.二级或三级评价

题型:单项选择题

税收制度的构成要素有()。

A.纳税人、课税对象

B.税务机关

C.税基、税率

D.附加、加成和减免

E.违章处理

题型:单项选择题

下列卡环类型中,无固位作用的是

A.间隙卡环
B.单臂卡环
C.固定卡环
D.卡臂卡环
E.连续卡环

题型:单项选择题

骨骼肌在受到外力牵拉或负重时可被拉长,这种特性称为()

A.伸展性

B.适应性

C.弹性

D.粘滞性

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