学习书法的基本方法是()。
A、读贴
B、临摹
C、背贴
参考答案:B
The children were catching butterflies in the garden. Some caught a lot, and others caught _______at all.
A.nothing
B.none
C.no one
D.neither
麻醉后出现中毒反应的原因是:
A.出血B.切口感染C.切口裂开D.肺不张E.尿路感染