VOR导航接收机幅度检波器检出的信号包含有（）。A.30Hz可变相位信号 B.99

P-R延长不作为次要指标（）

A.多关节炎

B.心脏炎

C.皮下小结

D.环形红斑

E.舞蹈病

阅读下面的短文，并根据文章后的要求答题。（请注意问题后的词数要求）

[1] The first Earth Day was in 1970. People were beginning to worry about what we were doing to our environment (环境). So they set up Earth Day to tell everyone about their worries.

[2] In 2007, organizers in over 150 countries planned over 4,000 big events. But Earth Day is not just about marches (游行) and big events. In the week around Earth Day (22 April) there were many thousands of smaller, local events. These events dealt with environmental problems in the neighborhood.

[3] The World Wide Fund for Nature made a list of 5 things that each person could do to save the environment.

·Don’t leave the tap running.

·Turn off lights when you leave a room.

·Turn off your computer every night.

·Wash your clothes, and yourself, in cold or warm water, not hot water.

·Dishwashers use as little water as possible.

[4] If we all do at least 2 of these all the time, we can make a big difference.

小题1:What is the purpose for people to set up Earth Day?

_____________________________________________________________________________

小题2:When is Earth Day?

_____________________________________________________________________________

小题3:What should people do when the water keeps running from a tap?

_____________________________________________________________________________

小题4:Does the word “dishwashers” mean “machine for washing dishes”?

_____________________________________________________________________________

小题5:Besides the five, what else can you do to save our environment? (One example is ok.)

_____________________________________________________________________________

（）在实际生产中，过共析钢常温需消除网状渗碳体，再经球化退火，使这得到球状珠光体，从而改善钢的性能。

A.完全退火

B.去应力退火

C.正火

D.淬火

气味芳香、成分易挥发的药物宜（）

A.后入

B.布包煎

C.另煎

D.烊化兑服

E.先煎

ASR专用的信号输入装置是ASR选择开关、将ASR选择开关关闭，ASR就不起作用。（）