周武王与姜尚率军大举伐纣，与商军展开战略大决战的地方是（）。
A、朝歌
B、牧野
C、孟津
D、鹿台
参考答案：B
外斐反应所用抗原是（）
A.大肠杆菌K抗原
B.立克次体不耐热蛋白抗原
C.变形杆菌X2、Xk、X19菌株的菌体抗原
D.立克次体耐热多糖抗原
E.变形杆菌X2、Xk、X19菌株的表面抗原
根据汉语意思完成下列句子。
1. It was an interesting ________ ________(谈话节目).
2. Last month, he ________ ________ ________(散步) with his cute dog.
3. Old Henry ________ ________(寻找) his dog yesterday.
4. What's ________ ________ ________(在.....前面) the classroom?
5. I like soccer, basketball, swimming, ________ ________ ________( 等等).
6. Xu Qian loves to ________ ________(讲笑话).
7. Jonny Dean ________ ________ ________ ________(有一新形象).
8. Mr Smith ________ ________ ________(对......友好).
9. He often ________ ________ ________(给......讲故事) the class.
10. Some people are ________ ________(照相).
