轻度呼吸睡眠暂停综合征,呼吸紊乱的指数范围是()。
A.5~10次/小时
B.5~15次/小时
C.5~20次/小时
D.10~20次/小时
E.10~30次/小时
参考答案:C
课文精彩片断回放。
曹操的儿子曹冲才7岁,他站出来,说:“我有个办法。把大象赶到一艘大船上,看船身下沉多少,就沿着水面,在船舷上画一条线。再把大象赶上岸,往船上装石头,装到船下沉到画线的地方为止。然后,称一称船上的石头。石头有多重,大象就有多重。”
1.曹冲说了______句话。
2.给下列句子排排队。
( )把大象赶到一艘大船上。
( )把大象赶上岸,往船里装石头。
( )沿着水面在船舷上画一条线。
( )等船沉到画线的地方,再称出石头的重量。
3.读了这段话我觉得曹冲是个 的孩子。
W: Good morning, Mr. Smith. Did you sleep well last night after your long flight
M: Good morning. Yes, I did. I feel totally rested and I’m now ready for our meeting.
What do we learn about the man ()
A. He slept well on the plane.
B. He had a long trip.
C. He had a meeting.
D. He watched a film.