[填空题]We can describe a wealthy Shanghai citizen as Xiaozi.

[填空题]We can describe a wealthy Shanghai citizen as Xiaozi.

[单项选择]A person in Shanghai can describe what may happen in Spain; similarly, a 21^st century person can talk about events in ancient times. This demonstrates that language possesses the design feature of ______.
A. productivity
B. duality
C. cultural transmission
D. displacement

[填空题]What can we get from library We can get all kinds of______.

[单项选择]What can we learn

[填空题]

When can we do running？
We can do it at （）.

[填空题]How can we support mechanism

[单项选择]Can we see (1) the earth is a globe Yes, we can, when we watch a ship that sails out to sea. If we watch closely, we see that the ship begins (2) . The bottom of the ship disappears first, and then the ship seems to sink lower and lower, (3) we can only see the top of the ship, and then we see nothing at all. What is hiding the ship from us It is the earth. Stick a pin most of the way into an orange, and (4) turn the orange away from you. You will see the pin disappear, (5) a ship does on the earth.

A. if
B. where
C. that
D. when

[单项选择]

What can we learn about Alice
A. She didn’t go to the interview.
B. She succeeded in the interview.
C. She forgot about the interview.
D. She was too nervous in the interview.

[单项选择]
What can we learn about Sidney

[单项选择]What can we know about Mary
A. She has moved to her new house.
B. She doesn’t want to move to her new house.
C. She hasn’t moved to her new house.

[单项选择]How can we get rid of garbage Do we have enough energy sources to meet our future energy needs
These are two important questions that many people are asking today. Some people think that man might be able to solve both problems at the same time. They suggest using garbage as an energy source, and at the some time it can save the land to hold garbage.
For a long time, people buried garbage or dumped(倾倒) it on empty land. Now, empty land is scarce. But more and more garbage is produced each year. However, garbage can be a good fuel to use. The things in garbage do not look like coal, petroleum, or natural gas; but they are chemically similar to these fossil(化石) fuels. As we use up our fossil fuel supplies, we might be able to use garbage as an energy source.
Burning garbage is not a new idea. Some cities in Europe and the United States have been burning garbage for years. (78) The heat that is produced by burning garbage is used to boil water. The steam that is prod
A. Delighted.
B. Sad.
C. Agreeing.
D. Disagreein