“子宫直肠瘘”的主导词是()。
A.子宫直肠瘘
B.子宫瘘
C.直肠瘘
D.瘘
E.子宫
参考答案:C
解析:疾病的主导词主要取决于疾病诊断中的临床表现,它常常被置于诊断术语的尾部。
鸟类的特点中,与适应空中飞行生活无关的是( )
A.身体呈流线型
B.前肢变成了翼
C.有角质的喙
D.体表覆盖着羽毛
选择恰当的一项,完成对话。
Lucy: 1
Lily: Thank you.
Lucy: Are they new?
Lily: No. 2
Lucy: They're nice!
Lily: 3
A. Is this a sweater?
B. It's old.
C. They're old.
D. Do you like these pants?
E. I like your pants.
F. OK.
G. Thanks.