恒电位仪运行参数和通电点电位每（）检查测试一次。
A.天
B.周
C.月
D.年
参考答案：A
根据句意及首字母提示写出单词，完成句子。
1. The travellers found the hotel a________ in this city expensive.
2. This party has eighty g________.
3. The young man is writing an a________ for a job.
4. There are v________ ways of getting to the station.
5. I’m doing an English c________ in the USA.
下列不属于我国一级保护植物的是 [ ]
A．向日葵
B．金花茶
C．水杉
D．桫椤
