最主要致病物质是Vero细胞毒素的细菌是()
A.O157:H7大肠埃希菌
B.小肠结肠炎耶尔森菌
C.霍乱弧菌
D.伤寒沙门菌
E.空肠弯曲菌
参考答案:A
战国时期的韩、赵、魏是从哪一个诸侯国中分裂出来的[ ]
A.齐国
B.楚国
C.秦国
D.晋国
根据括号中的要求改写下列句子。
1.I'd like to see Beijing Opera one day.(改为一般疑问句)
you to see Beijing Opera one day?
2.We went to the theatre last night.(改为否定句)
We to the theatre last night.
3.It takes place in a house in old Beijing.(就画线部分提问)
it take please?
4.Laoshe wrote Teahouse in 1957.(就画线部分提问)
Laoshe write Teahouse?
5.I think this film is very interesting. (就画线部分提问)
do you of the film?