唾液对龋病有免疫作用,可减少变形链球菌是因为其含有() A.变酶 B.唾液小体 C.

题型:单项选择题

问题:

唾液对龋病有免疫作用,可减少变形链球菌是因为其含有()

A.变酶

B.唾液小体

C.氨盐和硫氰酸盐

D.分泌型免疫球蛋白A(SIgA.

E.溶菌酶

考点:山东住院医师口腔颌面外科Ⅱ阶段专业理论专业理论题库
题型:单项选择题

Saying no can be very difficult. People who are very shy often have little confidence.  They think that they have to meet everyone’s need. It is very hard for them to say no. they sometimes feel shy if they say no, but doing things that they don’t want to will make them unhappy.

A simple and direct “No” is the best way. If you want to explain, you can keep it simple. Just say, “No, I’ve already made plans for this time” or, “Sorry, I’m afraid I’m not free at that time.”

Other ways of saying no:

▲       I can’t do this right now.

▲       No, but thank for asking.

▲       Please accept that I cannot come.

▲       I’d rather not.

To say no you should:

▲       Start the sentence with the word no.

▲       Shake your head when you say no to make sure they understand. Your voice should be clear and direct. Keep eye contact.

If someone makes a request, it is necessary to ask for time to think it over. The decision should be up to you, but sometimes it is difficult to say no. You can try to reply in the following way:

“Sorry. I would have taken care of your cat next weekend, but I will be going out. I know it will be hard to find someone to take care of the cat. I will try to help you next time.” Remember that: you have the right to say no!

1. What does the writer encourage us to do?

2. How many ways of saying no are mentioned in the passage?

3. Who has a hard time saying no?

4. When you say no, what should you do as well?

5. If you want to refuse someone’s request, what will you say?

题型:单项选择题

领导人上网了解民情,政府上网公开政务,公民上网表达意见……这一现象被称之为“互联网政治”,并得到广泛关注。民众通过网络参政议政,领导者通过网络与民众互动,这一政治现象的意义在于( )。

A.是实现公民权利、参政议政的有效途径

B.有利于拓宽民主渠道,扩大公民的政治权利

C.有利于社会主义民主政治的不断发展和完善

D.有利于政府部门听民意、聚民智、科学决策

题型:单项选择题

玉米的大果穗对小果穗为显性。现有甲、乙两种大果穗玉米,其中一种为纯种,若要鉴别和保留纯合的大果穗,下列简单易行的方法是 [ ]

A.甲×乙

B.甲×甲、乙×乙

C.甲×乙的F1再自交

D.甲、乙分别和隐性类型测交

题型:单项选择题

中秋节那天月亮升起的时刻是()

A.日落时

B.子夜

C.中午

D.日出前2小时

题型:单项选择题

胆道蛔虫的治疗原则有()

A.镇静、解痉止痛

B.控制合并感染

C.立即驱虫治疗

D.以外科治疗为主

E.以内科治疗为主

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