可持续发展的主要瓶颈是( )。
A.水资源供需矛盾突出B.综合交通网发展规划C.战略性新兴产业发展D.可再生能源发展
参考答案:A
根据短文内容,选择正确答案。
Alice is an American girl .She is thirteen. She is now in Beijing with her parents. She doesn't know
much Chinese. She can't speak Chinese well. Sometimes her friends do not understand her.
It's Sunday morning .She's going to the zoo to see the pandas .She is waiting at the bus station. At the
bus station she asks a boy how to go to the zoo. But the boy can't understand her. Then she takes out (拿
出) a pen and some paper. She draws a panda on it and shows the picture to the boy. The boy smiles and
shows the way to the zoo right now.
1. Alice is in Beijing with her _____.
A. brother
B. sister
C. uncle
D. father and mother
2. Alice can speak _____ Chinese
A. much
B. little
C. few
D. many
3. Alice goes to the zoo _____.
A. on her bike
B. on a bus
C. in a car
D. on a train
4. Alice is going to the zoo to see _____.
A. her friends
B. the tigers
C .the monkeys
D. the pandas
5. The boy _____.
A. shows her the way
B. doesn't know the way
C. goes to the zoo with her
D. gives a map to her
周围性呼吸衰竭()
A.呼吸节律不整
B.呼吸肌群活动减弱、呼吸幅度减小或消失
C.辅助呼吸肌活动增强、三凹征明显
D.进行性呼吸窘迫、缺氧明显
E.呼吸节律整齐,平稳