2010年上海世博会预测参观总人次超过70 200 000人次,将70 200 000用科学记数法表示______.
将70 200 000用科学记数法表示为7.02×107.
选出与所给句子划线部分意义相同或相近并能代替的那一项。
1. Sometimes the boy offends the other students. [ ]
A. angry
B. annoys
C. cheer up
D. frustrates
2. My friend and I have a lot in common. There are still some differences between us, though. [ ]
A. but
B. although
C. however
D. therefore
3. Do you know the singer with beautiful glasses?[ ]
A. wearing
B. who wear
C. putting on
D. has
4. I have worked all day, now I'm dog-tired. [ ]
A. not tired
B. relaxed
C. very tired
D. relaxing
5. At school we take exercise for an hour every day to build us up. [ ]
A. cheer us up
B. make us happy
C. change us
D. make us stronger
下列关于焚烧厂选址说法不正确的是( )。
A.各类焚烧厂不允许建设在地表水环境质量Ⅰ类、Ⅱ类功能区B.各类焚烧厂不允许建设在GB3095中规定的环境空气质量一类功能区,即自然保护区、风景名胜区和其他需要特殊保护地区C.各类焚烧厂不允许建设在居民区主导风向的下风向地区D.集中式危险废物焚烧厂不允许建设在人口密集的居住区、商业区和文化区