Which of the following is NOT mentioned as an obstacle of humanitarian assistance in Somalia？
A. Security challenge.
B. Distance challenge.
C. Operational challenge.
D. Funding challenge.
查看答案
自动扶梯是()依靠作为运行的动力？
A. 电动机
B. 发电机
C. 稳压泵
D. 备用泵
What is the news item mainly about？
Africa"s passion for radio.
B. The number of radio stations in Kenya.
C. The rapid spread of new technology in Africa.
D. Ways to receive news and entertainment in Africa.
洋务运动客观上对中国早期工业和民族资本主义的发展起了某些促进作用。
Mike believes people go in for yoga because______.
A. they follow the lead of famous people
B. they like to try something new
C. they can make friends through practicing yoga together
D. yoga is beneficial to their health
微信支付 
支付宝支付