发生地震时，有些动物比人提前感觉到，是因为地震时伴有____ 声波产生．蝙蝠发出的是人耳听不到的____ 声波，它能准确地判断障碍物或捕捉目标的位置，是由于回声定位的原理．科学家利用这一原理发明了____ 装置，可探测海洋深度、绘制水下数千米的地形图等．

我们居住的城市高楼林立，如不小心发生高空坠物事件，则可能给人们的生命财产造成损害，更不可有意为之．日前，某小区的陈先生在早上下楼取车时发现车的后挡风玻璃被穿了一个孔，上面还插着一个可乐瓶，肇事的可乐瓶里大约还有可乐．对此，下列描述正确的是（　　）

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. Does 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!