寒凝血瘀，月经不调，少腹冷痛，应选用药物的性味是（）
A.辛，凉
B.苦，温
C.辛，温
D.苦，寒
E.咸，寒
参考答案：C
He has bought a new car. It _______ be very expensive. [ ]
A. can
B. can't
C. must
D. mustn't
生长素的分泌部位在（）
A.甲状腺
B.肾上腺
C.垂体
D.胸腺
E.唾液腺
