按照习惯规定，导体中（）运动的方向为电流的真实方向。A、电子 B、正电荷 C、负电荷

RAP/HIP-HOP

Known for their quick speech, some rappers can say more than 700 syllables (音节) a minute! If you like rap/hip-hop, you are energetic and have a way with words. You put a fresh spin（旋转）on things, whether it’s new moves on the dance floor or your hip style.

CLASSLCAL

In the 18th century, classical musicians were like rock stars. Beethoven and Mozart, for example, played in crowded concert halls. If you like classical, you are open to new ideas and like arguing with friends. Creative and imaginative, you can easily spend many hours reading, writing or painting.

COUNTRY

Country music came from the folk songs of English settlers(移民) of the southeastern United States. If you like country, you say your opinions well, which makes you the ideal class president or team head. You enjoy spending time with your family.

POP

Pop music is designed to attract almost everyone, and it does. Each year, the industry brings in about 30 billion dollars! If you like pop, you are attractive to your friends. You can make big things happen, like planning for a huge party or leading your team to victory(胜利).

ROCK

In the 1950s, rock music created a new culture. If you like rock, you are a risk-taker who never accepts no for an answer. You rise to any challenge, like doing very well in a big exam or landing the lead in the school play.

If these personalities don’t match you, that’s OK. These are just for fun.

小题1:What does the underlined part “You put a fresh spin on things” mean in the passage?

A．You have the ability to attract others’ attention.

B．You are always willing to make new friends.

C．You are willing to say your thoughts to others all the time.

D．You can say your idea in a clever way that makes it seem better than it really is.小题2:If you like pop music,          .

A．you are traditional and prefer to stay with your family

B．you are easy to accept new ideas

C．you are welcome and your friends all like to be with you]

D．you have a quick speech and can say 30 words in a minute小题3:We can know from this passage that          .

A．in the 18th century, classical musicians were like pop stars

B．country music came from the old songs of the English

C．pop music is liked by the largest number of people in the world

D．everyone can find his personality in this passage小题4:What’s the main idea of the passage?

A．When music came into being.

B．How to like music.

C．Some basic information about music.

D．What your favorite music says about you.

钢材蓝脆现象发生的温度大约是（）

A.2000C.

B.2500C.

C.3000C.

D.3500C.

患者于某，女，36岁，症见夜寐盗汗，五心烦热，两颧色红，口渴，舌红少苔，脉细数。

若患者潮热甚，可加用（）

A.麦冬、五味子

B.银柴胡、白薇

C.牡蛎、麻黄根

D.党参、黄精

E.知母、黄柏

对行政行为的效力从法律层面作出科学有效界定的最基本要求是考察实施( )。

A．该行政行为是否合法

B．该行政行为的主体是否具备行政主体的地位

C．该行政行为是否侵犯相对 * * 益

D．该行政行为是否得到授权

Exercising to music pumps up brain power

If music makes you smarter, and exercise helps brain function, can exercising to music really boost brainpower Some researchers said it can. Volunteers who listened to Vivaldi’s "Four Seasons" while working out on a treadmill did much better on a test of (1) ability than when they exercised without music, a team (2) Ohio State University found.
"Evidence suggests that exercise improves the (3) performance of people with coronary artery (4) ," said psychologist Charles Emery, who led the study.
"And listening to music is (5) to enhance brainpower. We wanted to put the two results together," Emery (6) in a statement.
Writing in the latest issue of the journal Heart & Lung, Emery and (7) said they studied 33 men and women taking (8) in a cardiac rehabilitation program after having bypass (9) , angioplasty or other procedures to treat clogged arteries.
The (10) said they felt better emotionally and mentally after working out (11) or without the music. But their improvement on the (12) fluency test doubled after listening to music on the treadmills.
"Exercise seems to (13) positive changes in the nervous system, and these changes may have a (14) effect on cognitive ability," Emery said.
"Listening to music may (15) cognitive function through different pathways in the brain. The combination of music (16) exercise may stimulate and increase cognitive arousal (17) helping to organize cognitive output."
Emery said he now wanted to (18) people using music of their own choice. "We used the ’Four Seasons’ because of its (19) tempo and positive effects on medical patients in previous (20) ," Emery said. "But given the range of music preferences among patients, it’s especially important to evaluate the influence of other types of music on cognitive outcomes.\