下列属于特异性免疫的一组是() A.白细胞的吞噬作用和接种卡介苗预防肺结核 B.种牛

题型:单项选择题

问题:

下列属于特异性免疫的一组是()

A.白细胞的吞噬作用和接种卡介苗预防肺结核

B.种牛痘预防天花与皮肤的屏障作用

C.患过麻疹的人不再患麻疹和注射百日咳疫苗后不再患有百日咳

D.溶菌酶的杀菌作用与服用糖丸预防小儿麻痹症

考点:高中生物免疫调节免疫调节题库
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Teachers always have found that teaching and learning become interesting and enjoyable when students are actively involved in the lesson. Their active engagement, however, does not come automatically. In most cases, teachers have to find ways to get them  小题1:______(involve).    

Hai K. P. Huynh, an English teacher at American-Vietnamese International English Centre in Da Nang, Vietnam, demonstrates小题2:______ teachers can get students actively engaged in the learning process and take charge of their learning by giving them the opportunities to find and correct mistakes小题3:_____.

The effective way is to prepare an activity 小题4:_____ students take over the role of correcting mistakes which is normally done by the teacher. The teacher purposefully becomes the ‘mistake maker ’.

This technique can bring forth several benefits. For instance, by switching the role of the ‘mistake corrector’, the teacher can often observe that students get excited. The degree of excitement小题5:_____ (increase) when the class is divided into two teams to compete with each other in finding and correcting the mistakes.

Another benefit is that they have the opportunity to identify the possible mistakes themselves instead of the teacher 小题6:_____(tell) them what the mistakes are. This technique can help the teacher check his or her students’ understanding of a grammar point or comprehension of a reading task. It can be used to reinforce and improve their production skills such as writing and pronunciation.

The activity is a simple technique小题7:____ it is very effective小题8:____ getting students' attention and participation. It can easily be developed 小题9:______(satisfy ) teachers’ needs.

题型:单项选择题

TDX178套管段铣器的刀体部件结构是()。

A、4翼4刀

B、4翼3刀

C、3翼3刀

D、3翼单刀

题型:单项选择题

低钾血症时,心电图的早期改变是()

A.ST段降低

B.T波降低、变平、倒置

C.QRS波增宽

D.P-R间期延长

E.出现U波

题型:单项选择题

瞳孔扩大或缩小分别见于哪些疾病?

题型:单项选择题

设计关押量为1000人的看守所房屋建筑面积指标应为()

A、31.05m2/在押人员

B、28.67m2/在押人员

C、27.43m2/在押人员

D、24.34m2/在押人员

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