经股动脉穿刺行脑血管造影者,肢体制动多少 h
A.2~4
B.4~8
C.6~12
D.12~16
E.24
参考答案:C
写出下列动词的过去式。
1. am /is_______
2. are _______
3. see_______
4. write _______
5. stand _______
6. hear ________
7. give _______
8. catch_______
9. feel _______
10. grow _______
11. eat _______
12. go _______
13. have / has _______
14. teach _______
15. come_______
以下哪些是单片机对LCD模块的基本操作().
A.写命令
B.读状态
C.写数据
D.读数据