竖直升降的电梯底板上站着一个质量为50kg的人,g取10m/s2,求:
下列加线词的意思完全相同的一项是 ( )
有3500年历史的埃及卢克索神庙的一座浮雕上,竟然被人刻上了“丁锦昊到此一游”几个大字。随后,“丁锦昊”被人肉出来,尽管家长已经道歉,但网友们依然不依不饶。不文明出行、不文明旅游现象告诫我们应该( )
①开展文明教育活动,提升公民思想道德素质 ②净化社会文化环境,倡导文明旅游和文明出行 ③传播中国传统文化,丰富精神世界,增强精神力量 ④创新文化传播方式,推动经典文化和旅游产业发展
用性引诱剂诱杀农业害虫是利用了昆虫的( )
完形填空
My name is Bob. I'm a middle school student. My home is about two miles 1 school. I usually leave2 school at about 6:30. I usually get to school 3. It takes me about 20 minutes. But sometimes I go there 4. It takes 5 only ten minutes.
My friend Nick, usually goes to school by bus. He usually 6 at 5:30 every day. Then he has7 quick breakfast and goes to school at six. First he8 to the bus stop. Then the bus takes 9 to school. It usually takes him forty minutes to get to school.
There are different 10 to get to school. But I like walking best.
①能自觉遵守社会规则 ②能做到自律和他律
③能发自内心地敬畏规则 ④能自觉保护公共环境