网线理论上的传输距离是多少米?
A. 100M
B. 200M
C. 50M
D. 10M
”在日常生活中,引导幼儿掌握‘你好’、‘对不起’等基本文明礼貌用语”属于( )的教育内容。
A. 小班自我意识
B. 中班自我意识
C. 小班人际交往
D. 中班人际交往
There ___ a book and many chalks on the desk.
A. is
B. are
C. be
Don’t sit on the chair- there ___ on it.
A. is some water
B. are some water
C.is any water