如图,电流表的连接是正确的,试标出通电螺线管的N、S极,并标出小磁针静止时N极的指向。
根据句意,用括号中所给单词的正确形式填空,每空一词。
1. So far, I have to make a ______ (decide) about where to go for the coming summer holidays.
2. This year it has rained so ______ (heavy) in South China that lots of problems are caused.
3. When we walked past the playground yesterday, we found him ______ (lie) on the grass,
enjoying the sunset.
4. Jack is busy preparing for a party to celebrate his sister's ______ (twelve) birthday.
He wants to give her a big surprise.
5. —On April 14th, an earthquake hit Yushu and destroyed its ______ (beautiful) completely.
—It's a great pity.
读下边“不堪重负的地球”图,完成下列各题。
小题1:该漫画反映了当前世界上存在着严重的( )
A.环境问题
B.人口问题
C.资源问题
D.水污染问题小题2:我国少数民族中,人口最多的是 ( )
A.壮族
B.维吾尔族
C.傣族
D.回族