属于糖酵解途径关键酶的是 A.6-磷酸葡萄糖酶 B.丙酮酸激酶 C.柠檬酸合酶

题型:单项选择题

问题:

属于糖酵解途径关键酶的是

A.6-磷酸葡萄糖酶

B.丙酮酸激酶

C.柠檬酸合酶

D.苹果酸脱氢酶

E.6-磷酸葡萄糖脱氢酶

考点:口腔执业助理医师2012年口腔助理医师生物化学精编题四
题型:单项选择题

三. Choose an appropriate word or phrase in its correct form to complete each sentence.

A、old ; elder; elderly

1. She is an _________ friend of ours.

2. I was much happier in my ________ job.

3. Mary often quarrels with her  _________ sister.

4. He is very active for an ____________man.

5. I feel pretty _________ when I see how the younger generation behaves.

B、some day; one day; the other day

6. I promise I will come back and marry you___________________.

7. _______________I  will get my revenge(愤怒).

8. I remember seeing him somewhere____________.

9 .__________I just feel like quitting my job. But I need the money so I can’t.

A、in disguise; in return; in the flesh; in time; in common; in amazement

10. What can e do ______________for your kindness?

11. I don’t think they’ve got much____________ with their neighbours.

12. He often went out ___________ to avoid the ever-present journalists.

13. They were shaking their heads____________.

14. It was a pleasure to finally meet him____________.

15. I want to be home ________for tea.

题型:单项选择题

建设项目竣工验收时,对非稳定连续污水排放源,一般应采用加密的等时间采样和测试方法,一般以每日开工时间或24h为周期,采样不少于( )个周期。每个周期每( )小时采样和测试一次。

A.2 1~2

B.3 1~2

C.2 2~3

D.3 2~3

题型:单项选择题

脑疝形成()。

A.两侧瞳孔等大等圆,对光反射存在

B.两侧瞳孔不等大,一侧进行性散大,对光反射迟钝

C.两侧瞳孔大小多变,对光反射差

D.两侧瞳孔散大,对光反射消失

E.一侧瞳孔持续性缩小

题型:单项选择题

通常在烘筒的一端封头上加设有()是为了防止烘筒内部形成真空状态

A、安全阀

B、减压阀

C、截止阀

D、真空吸气阀

题型:单项选择题

为保证人身安全,任何人员所携带的物件(包括长杆、导线)与接触网设备的带电部分需保持()。

A.1.5米以上

B.1.8米以上

C.2米以上

D.2.5米以上

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