代表中央政府同达赖、班禅共同管理西藏的机构是[ ]
A.西域都护府
B.北庭都护府
C.乌里雅苏台 * *
D.驻藏大臣
答案:D
用适当的介词或副词填空,补全句子
1. I'm afraid ____________ the spiders. They are too ugly.
2. Sally is interested___________sports and she is good at playing volleyball.
3. David is___________our school basketball team. He's a good player.
4. —Are you afraid to climb the tall tree?
—No, I'm not. It's dangerous. What___________ you?
5. My cousin is already ten years old, but she is still terrified___________ being alone at home.
6. Bill got very angry and he left___________the door open.
7. I never play sports. I only watch them___________TV.
8. My little sister likes to sleep___________her bedroom light___________. She dislikes the dark.
9. Tom usually plays soccer___________school___________about half an hour and then goes home.
10. —Have you ever flown___________ an airplane?
—No, never.
设备故障的发生发展过程有三个阶段:()、偶发故障和耗损故障等阶段
A、早期故障
B、中期故障
C、后期故障
D、严重故障