太阳直射某地的那一日,下列叙述正确的是( )
A:一定是该地一年中白天最长的一天
B:该地一定位于五带中的热带范围内
C:一定是该地一年中日出最早的一天
D:一定是该地一年中气温最高的一天
根据课文《窗前的气球》内容填空
①科利亚病了,住进了医院。他得的是____,医院规定,谁也不准看他,他也不能到____房外面去。
②突然一个____摇摇摆摆地飘了上来,在科利亚房间的____前停住了。
求下列各式中x的值.
(1)9x2﹣4=0
(2)(1﹣2x)3=﹣1.
根据汉语或所给词的正确形式填空。He usually takes a ____ (淋浴) after he gets up.Are there any____ (警察) in the street?Koalas sleep ____ (在……期间) the day and get up at night.Don't be____ (懒惰的) ! You must work hard. Mr. Green is a good teacher. He ____ (教) us music.Does Molly enjoy_____ (read) magazines?There____ (be) some fruit on the table. It's 5:30 now. The children____ (clean) the classroom.Our teacher is very____ (friend) to us. We all love her.This kind of animals likes to eat____ (leaf).