“女性头发长见识短”的看法属于（）范畴。
A.自然现象
B.社会性别
C.政治性别
D.生理性别
参考答案：B
—Your watch is so beautiful. It must be expensive.
—Not at all. It only ______ $4. [ ]
A. cost
B. spent
C. took
终止心绞痛发作应选用（）
A.地高辛
B.美托洛尔
C.卡托普利
D.硝苯地平
E.硝酸甘油
