来自黄热病疫区的飞机,机长或授权代理人须主动出示有效灭蚊证书。( )
参考答案:对
方程ex+lnx=0的零点所在区间是( ▲ )
A.[0,1]
B.[1,2]
C.[2,3]
D.[3,4]
根据句意及首字母提示完成句子。
1. Ted is feeling ill and he is seeing a d_______.
2. People have a p_______ to celebrate (庆祝) the harvest.
3. There is a c_______ this evening. I can listen to great music.
4. When I get into the classroom, Mr Lee is giving his l________.
5.—I can't go to the movies.
—Maybe a_______ time.
6. My mother has too much h_______ to do every day.
7. You're late again. You should be on time n_______ time.