称肺为"娇脏"的主要根据是（）
A.肺主宣发肃降
B.肺外合皮毛
C.肺不耐寒热
D.肺为水之上源
E.肺居五脏之最高位
参考答案：C
— What's the girl like?
— She was a brave girl. She fought bravely and her enemy had to _____ her at last. [ ]
A. give up
B. give up to
C. give in
D. give in to
窗体在屏幕上显示后有 ______ 种方法可以清除它。
A．1种
B．2种
C．3种
D．4种
