属于自身免疫性疾病的是
A.天疱疮 B.多形渗出性红斑 C.带状疱疹 D.口腔白斑病 E.口腔红斑
参考答案:A
句型转换.
1. Did you decide on going on a field trip?(改为同义句)
Did you decide ____ ____ a field trip?
2. We enjoyed ourselves in the zoo of Beijing. (改为同义句)
We ____ ____ in the zoo of Beijing.
3. I think he must be a teacher, ____ ____?(完成反义疑问句)
4. We don't know the way, so let's see the map of Beijing. (改为同义句)
We don't know the way, so we ____ ____ see the map of Beijing.
5. We spent one and a half hours finishing this notice. (改为同义句)
We spent one ____ and a ____ finishing this notice.
试验发动机的过程中,对测量精度可能产生影响的因素有()
A.发动机质量
B.大气压力和温度
C.发动机的转速
D.发动机的型式