下列常见现象中,能够将二氧化碳转化为氧气的是[ ]
A.物质的三态变化
B.动植物的呼吸
C.燃料的充分燃烧
D.植物的光合作用
答案:D
情景交际我最棒。
1. 当妈妈把饭做好了,她会怎样说?[ ]
A. Everything is ready.
B. Thank you.
C. You can eat.
2. 当你去饭店想要一些面条时,应怎样对服务员说呢?[ ]
A. Can I help you?
B. I'd like some noodles.
C. What would you like?
3. 你去饭店时,服务员会问你: [ ]
A. What's for dinner?
B. What would you like?
C. Here you are.
4. 当你想问妈妈早餐吃什么时,你该怎样说?[ ]
A. Mom, what's for breakfast?
B. Mom, I want to eat breakfast.
C. Mom, I'm hungry.
按址投递是邮局按照邮件封面书写的地址,将邮件投交到()或()或()的投交过程。
A.收件人
B.规定的代收人
C.指定地点
D.任何人