5岁儿童，突然发热1天，同时伴有头痛，腹痛，腹泻，脓血便，里急后重，每日腹泻10余次，便常规：红细胞10～15个/HP，白细胞20～30个/HP，治疗应选用哪种药物（）

A.头孢曲松

B.利巴韦林

C.甲硝唑

D.万古霉素

E.青霉素

句型转换

l. Mark wants to come to China by plane.(改为同义句)

Mark wants to                                     to China.

2. The children are going to have supper together.(变为一般疑问句)

           the children                        have supper together?

3. Do you want to go to the cinema with me?(改为同义句)

         you____  to go to the cinema with me?

4. Li Jing is going to play table tennis this afternoon.(对画线部分提问)

          is Li Jing going to____  this afternoon?