永州市现共有11个县(区),总地域面积约33 665 500亩,用科学记数法(保留三个有效数字)表示这一数据为______亩.
33 665 500≈3.37×107.
用所给中文的适当形式填空。
1. My little brother playing the computer. (喜欢)
2. Are you good at ? (做风筝)
3. My mother'll . (带我去医院)
4. The women's are very nice. (手表)
5. Tom is interested in . (研究植物)
6. Where's Lily? She's . Maybe she's ill. (躺在床上)
7. your pen. You can it. (寻找, 找到)
8. Thank you for . (帮助我妹妹)
9. One of the is in a red dress. (女孩)
10. Dick today. He can't go to school. (患重感冒)
二氧化碳气体保护焊的气瓶满瓶时压力为()。
A.2.5MPa
B.7.0MPa
C.8.5MPa
D.9.5MPa