The river widens considerably as it begins to turn east.
A. extends
B. stretches
C. broadens
D. travels
查看答案
We were shocked to find that Mary did't know her guest's name.
A. frustrated
B. disturbed
C. relieved
D. surprised
The leading astronomers of the sixteenth and seventeenth centries were fascinated by comets.
A. intrigued
B. infected
C. inconvenienced
D. inclined
I have got to abide by the rules.
A. stick to
B. persist in
C. safeguard
D. apply
关于药典及药品标准的叙述，不正确的是（）。
A. 药品标准是药品生产、供应、使用、检验和管理的法定依据
B. 药典是一个国家记载药品质量规格、标准的法典，具有法律的约束力
C. 已颁布施行的《中国药典》均分为一、二两部
D. 《新修本草》是世界上最早的一部全国性药典
E. P和P分别为美国和英国药典的英文缩写
微信支付 
支付宝支付