听力原文:W: How's your jogging coming along?
M: Perfect. I jog every day now except when it mitts. How're things with you?
W: Very well. Can you see I've lost several pounds?
What can we learn from the conversation?
A. Both the man and the woman like sports.
B. The woman jogs every day except it rains.
C. The man wants to lose weight.
D. Both the man and the woman want to keep fit.
扩声系统的交流电源容量一般为终期扩声设备耗电容量的1.5~2倍。()
A. 正确
B. 错误
听力原文:W: Are you sure you've corrected all the typing errors in this papery
M: Maybe I'd better read it through again.
What's the man going to do?
A. Leave the errors in the paper.
B. Let the woman use the typewriter.
C. Read the newspapers again.
D. Check the paper for mistakes.
In , a(n)______law was passed by the United Nations to stop people putting waste into sea.
A. national
B. local
C. internet
D. international