结肠脾曲癌肿，其手术方式应为（）
A.横结肠切除术
B.左半结肠切除术
C.右半结肠切除术
D.乙状结肠切除术
E.全结肠切除术
参考答案：B
“_____?” “Yes, please. I like apples.”
A．Do you like one
B．May I have one
C．Will you please have one
D．Would you like one
饮用水在水箱或水管内不可能受二次污染。（）
A.正确
B.错误
