I didn't see Lucy atthe partylast night.

题型:选择题

问题:

I didn't see Lucy at  the party  last night. Do you know_______?[ ]

A. why didn't she come      

B. what happened

C. when would she arrive    

D. where she has been

考点:宾语从句
题型:选择题

疏散走道是疏散时人员从房间内至房间门,或从房间门至疏散楼梯或外部出口等安全出口的室内走道。

题型:选择题

菊粉的血浆消除率为()

A.200ml/min

B.75ml/min

C.125ml/min

D.600ml/min

E.250ml/min

题型:选择题

能使T细胞和B细胞发生特异性有丝分裂的物质是()。

题型:选择题

下列哪一项是说明专业技术人员自觉抵制不良诱惑的行为()。

A、兴趣是最好的老师

B、学习力是唯一持久的竞争力

C、勿以善小而不为,勿以恶小而为之

D、法者,天下之程式也,万事之仪表也

题型:选择题

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.\

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