下列选项中属于地图比例尺的表示方法的有：（）。
A.特殊比例尺
B.图解式比例尺
C.文字式比例尺
D.数字式比例尺
参考答案：A, B, C, D
The simple joy of reading is something we take for granted. But many people have had to _____ this pleasure because of poor eyesight.
A．give in
B．give off
C．give out
D．give up
腮腺手术中寻找面神经颊支的标志是（）
A.腮腺前缘
B.腮腺导管
C.腮腺上前缘
D.耳屏前
E.腮腺上缘
