小船在河里顺流而下,船上坐着一个人,河岸上有树,那么相对于船来说,人是____的,树是____的.(填“运动”或“静止”)
遗传病在人类疾病中非常普遍,对遗传病的发病率和遗传方式的调查是预防遗传病的首要工作。下面是对某种遗传病的发病率和遗传方式的调查过程,请回答下列问题:
同学们梳理了教材中与压强知识相关的实验,如图所示,其中分析正确的是( )
班长小宋总能尽职尽责做好班级工作。他尊敬老师,关心同学,带领同学们积极创建优秀班集体,被评为省级“优秀学生干部”。以上材料说明( )
词语运用
①The old man is d____.He can't hear anything.
②My dog is m____.Can you help me find it?
③All of them are ____(注视) at the computer screen.
④We don't know whether he's ____(活着)or dead.
⑤The road was so narrow(狭窄)that cars were unable to ____(通过).