行政纠纷的内容是关于（）的争议。
A.行政法上的权利义务
B.民事权利义务
C.法律上权利义务
D.利益
参考答案：A
读答句，写问句。
1. _____________________________________?
It's 9: 00 now.
2. _____________________________________?
I usually go shopping on the weekend.
3. _____________________________________?
Yes, she often watches TV.
4. _____________________________________?
No, I go hiking.
5. _____________________________________?
Yes, I am a student.
使用显微镜的正确步骤是
①对光，直到整个视野呈雪白色②调节粗、细准焦螺旋，以便看清物像③放置玻片标本，并用压片夹压住④取镜安装⑤收镜并放回原处[ ]
A．④①③②⑤
B．⑤③①②④
C．④①②③⑤
D．①②③④⑤
