[填空题]Why do people want to use postcards
Because they are（）.

[填空题]

Why do people want to use postcards Because they are ______.

[填空题]Why do people want to use postcards
Because they are__________.

[填空题]Why do people want visit Paris
Because the beauty of Paris ______ them.

[填空题]Why do people decide to use a machine translation program instead of using a human translator Because it is _________________________ to use a human translator.

[单项选择]Why do people want to dive in the sea Because ______. [A] they want to catch fish [B] they want to find the secrets of the undersea world [C] the sea is deep

[填空题]S1. Why do people use multisources of water in their everyday life

[单项选择]Why do factories want to know how people feel about different colors [A] People care more about the colors of things than shapes. [B] People choose to buy things by their colors. [C] People like things with bright colors.

[单项选择]Why do many people criticize train travel

Why do many people criticize train travel
A．Because they feel it has changed a lot. B．Because they feel it is not fast enough.
C．Because they feel it is often expensive. D．Because they feel it doesn’t suit long journeys.
A. Because they feel it has changed a lot.
B. Because they feel it is not fast enough.
C. Because they feel it is often expensive.
D. Because they feel it doesn’t suit long journeys.

[填空题]Many people wonder why some men want to live on the moon. It is (1) not the kind of place where most men would choose to live. But man has always moved to new areas.
Some scientists hope that continued work will be done on the moon. Many experiments will be done there more (2) . Some large (3) are very easy to do in a place without air. Matter can be heated to very high temperatures without (4) change when it is in such a place. Air, dust, and clouds cannot (5) man’s view of space from the moon. The very high or very low temperatures and low gravity on the moon will be used for many experiments. One very important use of the moon will be to (6) spaceship.
Man might be able to learn much about his own body by living on the moon. He would be living in a habitat that he made for himself. Man would be in control of the (7) of life in which he lives. (8) could be removed from the air in this