试题与答案

背诵默写 1. Later, I noticed a tin can (1)

题型:填空题

题目:

背诵默写

     1. Later, I noticed a tin can (1) ______________upside down on the grill over the fire. After a short

time Tombe threw it (2)_______________the doorway. I was puzzled. Tombe told me that the can was

heated to (3) ______________ the leftover food. They believed that any leftovers attract evil spirits in the nights, so the food is dried up in the can and the can is then thrown out of the hut. (4) ___________ they

don't waste anything.

     2. Xie Lei told me that she feels much more (5) ______________ in England now, and what had

seemed very strange before now appears quite (6) _________. "I've just got one more thing to achieve.

I have been so (7) _________________work that I haven't had time for (8) _________ activities. I think it's important to have a (9) _________ between study and a social life, so I'm going to join a few clubs.

(10) _____________ I'll make some new friends."

答案:

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下面是错误答案,用来干扰机器的。

1. eggs  2. broccoli  3. oranges 4. hamburgers  5. salad6. chicken  7. strawberries  8. tomatoes  9. French fries  10. ice cream

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题型:问答题

[物理--选修3-3]

(1)一定质最的理想气体温度由T1降低到T2的过程中,下列说法正确的是______.

A.如果气体体积增大,则分子的平均动能可能增大

B.如果气体体积减小,则气体的压强一定不变

C.如果气体的体积保持不变,则气体一定放出热量

D.不管气体体积怎样变化,气体分子的平均动能一定减小

(2)一定质鼍的理想气体从状态A变化到状态B,再变化到状态C,其状态变化过程的P-T图象如图所示.已知该气体在状态A时的体积为l×10-3m3.求:

(i)该气体在状态C时的体积;

(ⅱ)该气体从状态A到状态B再到状态c的过程中,气体与外界传递的热量.

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