阅读理解。
Time Temp Glasses
Are you a person who wants to know the time and temperature during the day? You might like Temp
Glasses. These special glasses show the time above your right eye and the temperature your left eye. It is
surely easier than wearing a wristwatch, and you never have to guess the Tature.
Alarm Fork
Do you eat too quickly? Do you eat too much? How can the Alarm Fork help you? Aren't you is (好奇的)?
Well, this special fork has two lights: one green and one red. When the green is on, it's ok to eat a piece of
food. The fork "knows" when you eat a piece, and soon the red goes on. Wait for the green light before you
eat another piece.
Smell This
Sow do you know if your breath smells nice, or if it smells bad? It's difficult to know, because it's very
hard to smell the air that comes out of your own mouth. Smell This is useful for this ion. Smell This covers
your nose and your mouth. Docs your breath smell nice, or do you need a piece of gum (口香糖)?
Banana Suitcase (手提箱)
Has this ever happened to you? You put a banana in your bag lunch in the morning, and when pen the
bag at noon, the banana looks like someone drove a car over it. If you put your banana Banana Suitcase, this
will never happen. It keeps a banana safe, delicious, and looking like new!
1. The writer thinks that the four inventions are ________.
A. dangerous
B. useless
C. unusual
D. expensive
2. A person who wants to lose weight may be interested in ________.
A. Time Temp Glasses
B. Alarm Fork
C. Smell This
D. Banana Suitcase
3. Which invention is most helpful for someone waiting for a train?
A. Time Temp Glasses.
B. Alarm Fork.
C. Smell This.
D. Banana Suitcase.
4. If you want to know how your breath is. you may buy ________.
A. Time Temp Glasses
B. Alarm Fork
C. Smell This
D. Banana Suitcase
5. Who might use the Banana Suitcase?
A. A person who eats bananas only at home.
B. Someone who needs to throw away a banana.
C. A person who has little interest in eating bananas.
D. Someone who loves bananas and brings lunch to school every day.
CH3OH(g)+H2O(g)+49kJ。某科学实验将6molCO2和8molH2充入2L的密闭容器中，测得H2的物质的量随时间变化如图实线所示。a，b，c，d括号内数据表示坐标．