Easy Ways to Keep Your Brain Sharp Every

题型:阅读理解

问题:

Easy Ways to Keep Your Brain Sharp

Everyone is forgetful, but as we age, we start to feel like our brains are slowing down a bit—and that can be a very annoying thing.小题1:    Read on for some techniques worth trying.

1. 小题2:   

People who regularly made plans and looked forward to upcoming events had a 50 percent

reduced chance of Alzheimer's disease (早老性痴呆症), according to a recent study.  小题3: 

Something as simple as setting a goal to have a weekly coffee date with a friend will do. There's evidence that people who have a purpose in life or who are working on long or short-term goals appear to do better. In other words, keep your brain looking forward.

2. Go for a walk.

Mildly raised glucose (葡萄糖) levels can harm the area of the brain that helps you form memories and physical activity can help get blood glucose down to normal levels. In fact,exercise produces chemicals that are good for your brain. 小题4:    

3. Learn something new.

Take a Spanish class online, join a drawing club, or learn to play cards. A study found that mental stimulation (刺激) limits the weakening effects of aging on memory and the mind. But the best thing for your brain is when you learn something new and are physically active at the same time.  小题5:    Or go dancing with your friends.

A.Focus on the future.

B.This can be especially harmful to the aged.

C.It should be something like learning gardening.

D.So take a few minutes each day to do some reading.E.But don't worry if your schedule isn't filled with life-changing events.

F.Luckily, research shows there is a lot you can do to avoid those moments.

G.In other words, when you take care of your body, you take care of your brain.

考点:序数词
题型:阅读理解

(选修3-4选做题)

如图所示,实线是一列正弦波在某时刻(记为t=0时刻)的波形曲线,虚线是0.2s后它的波形曲线。如果波源的振动周期T>0.2s。图中P、Q质点在t=0时刻相对于各自平衡位置的位移相同,则以下判断中正确的是

[ ]

A. 若波速大小为5m/s,则质点P的振动图像如图(a)所示

B. 若波速大小为5m/s,则质点P的振动图像如图(b)所示

C. 若波速大小为15m/s,则质点Q的振动图像如图(b)所示

D. 若波速大小为15m/s,则质点Q的振动图像如图(a)所示

题型:阅读理解

(共10分)油脂是_____    ___ ____   ___生成的酯,其中形成油脂的脂肪酸的饱和程度对油脂的熔点有着重要的影响。由________  的脂肪酸生成的甘油酯熔点较高,常温下呈______态,叫做______,如生活中经常使用的________  等;由       的脂肪酸生成的甘油酯熔点较低,常温下呈________态,叫做________,如生活中经常使用的______  等。

题型:阅读理解

自助旅游者曾在网上发起过一个“多背一公斤”活动,希望多点书籍、文具等捐给沿途贫困的学校和孩子。请以组织者的身份,拟写两句宣传词。要求句式整齐,能体现活动的宗旨,有感召力。

①多背一公斤,                                  。

②多背一公斤,                                  。

题型:阅读理解

All schools in our province   new English textbooks to improve students’ listening,speaking,reading and writing abilities three years ago.

A.admired

B.admitted

C.adopted

D.afforded

题型:阅读理解

脐水平腹直肌外缘处是()

A.季肋点

B.上输尿管点

C.中输尿管点

D.肋腰点

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