辣椒白粉病的适宜发病湿度是()。
A.40~50%
B.50~75%
C.80~90%
D.90%以上
参考答案:B
Mary made coffee ________ her guests were finishing their meal.[ ]
A.so that
B.although
C.while
D.as if
汉译英。
1. 肘 ___________
2. 逐渐地 ___________
3. 特殊的 ___________
4. 称赞 ___________
5. 祝酒 ___________