[简答题]Only one other word can be made from all the letters of INSATIABLE. Write it out.

[单项选择]The only thing in the world that one can never receive or give too much is love.
A. 世界上只有爱和被爱难以满足。
B. 世界上唯一不能过多给予和接受的东西就是爱。
C. 在这个世界上唯一施与受都不嫌多的就是爱。
D. 爱与被爱是世界上唯一多多益善的东西。

[单项选择]

Only one animal can walk 200 miles without stopping once to rest. It would take a person two days and two nights to walk this far, and only one man has ever done it without stopping. What amazing animal has such endurance The camel! The camel is well known for something else, too. It can cross an entire desert without a single drink of water. Its body is built in a special way to help it store water and food.
A person has just one stomach, but a camel has quite a few. Within each stomach are layers and layers of cells. These cells are like tiny water balloons, storing liquids until the camel needs them. When the camel drinks, the ceils grow larger and larger. For a whole week, they can keep the animal’s thirst away by sending water to all parts of its body.
And did you ever wonder why the camel has a hump The hump is a storage place for fat. Because it has this storage area, the camel does not need to eat very often. When the animal needs energy, the layers
A. muscles
B. extra water
C. body sugars
D. fat

[填空题]Substances which are made up of only one kind of atom are called S36 ______ and there are about a hundred of these -- the same S37 ______as there are kinds of atom. These are the substances from which everything else is made. Aristotle taught that there were four elements -- earth, air, fire, and water -- but he was very wrong. None of these is an element in any sense of the word and S38 ______ There is nothing obvious about the appearance of an element which makes it different from other substances, and this explains why man take so long to discover the building blocks from which his world is made, 0nly patient and S39 ______ were able to show that sulfur, copper, and diamond were elements, but air, water, and sand were not. S40 ______ but have to be prepared in the laboratory. For example, the two elements of which water is made are the gases oxygen and hydrogen; oxygen occurs in the air, but it is mixed with a large amount of other gases, and hydrogen is not even present in the

[填空题]Something made from flour.