运行中的输油泵要每()检查记录一次。
A、1小时;
B、2小时;
C、4小时;
D、8小时;
参考答案:A
根据图片完成下列句子。
1. Li Hua yesterday.
2. —Did Daming _ _last night(昨天晚上)?
—Yes, he .
3. —What did he do yesterday?
—He .
4. Mr Brown lots of two days ago.
5. Two years ago,Xiao Ming _
Now he goes to school
6. Mr Wang was a teacher. He _ Chinese.
Now he (退休).
7. —What did Fanfan do on Sunday?
—She
8. —What is Xiao Hong _ now?
—She _ now.
关于类风湿性关节炎患者的评定,正确的是()
A.类风湿因子永远呈阳性
B.滑液的白细胞计数永远少于2000/mm
C.手部X线摄影示关节周围骨质减少
D.血沉永远不会升高
E.呈小细胞型贫血