Sandre {{U}}came across{{/U}} an important letter yesterday while cleaning the desk.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:14:26 免费下载:《单选题》Word试卷

Sandre {{U}}came across{{/U}} an important letter yesterday while cleaning the desk.
A.mentioned
B.read
C.discovered
D.walked away with

本题关键词:V－W变异,W-S染色,V-W变异,O/W型乳剂,W/O型乳剂,O/W型乳化剂,W/O型乳化剂,W·格罗皮乌斯;