the batteries for her laptop.C. She thought batteries were too expensive.D. She and her team were...? A. When you take a book, you need to put another back.B. Most of the books are donated by local ……

use batteries. But what about a real train? On Oct 14, 2014, Japanese company Sony showed off their new train. It used batteries. The train was 4 meters long and 2.5 meters tall. They used 99 ……

爱喝水的闹钟Big Toy is a cute and small alarm clock. It doesn’t need any batteries. It likes water! You just need to put some water in it. Then it wakes you up every morning. And you can even grow some ……

Charge mePortable gadgets always need fresh batteries. And that can be annoying because the cost of batteries soon adds up. Well, not exactly, not if you use USBCell Batteries. These new AA size ……

parts of portabella mushrooms.b. These batteries could make production cost less.c. The batteries do not have much of an advantage for the environment.d. The batteries may last longer.A. ab B. ad C ……

)? It’s mostly about how Musk solves problems.When Tesla started making electric cars, batteries (电池) were very... making electric cars, batteries (电池) were very expensive. People thought they would always ……

(剩下的) food. There’s harmful (有害的) trash, such as batteries (电池). And then there’s recyclable (可回... trash can help us in many ways. We can make sure that harmful things, such as batteries, don’t pollute ……

button batteries without realizing it.Frequently, these batteries pass through the body. But if you...琴).“This concept is both highly creative and highly practical, and it addresses a need,” Bradley Nelson ……

to breathe! CAPRICORN 摩羯座 (Dec 22 - Jan 19)You need to get more sleep and take care of yourself. Having... batteries for the rest of the year. This energy boost comes only once a year, so make the most ……

the technology practical and inexpensive.Batteries are the biggest challenge. In the plug-in-hybrid world, lithium-ion (锂离子) (Li-ion) batteries are getting the most attention. These batteries can store ……

(提醒) everyone to do something good for Earth.Some people don’t care about Earth. They keep... rechargeable batteries (充电电池). The most important thing is to remember the “3Rs”. Recycle (再循环): put cans ……

. On July 1, Shanghai introduced a new garbage-sorting policy (垃圾分类政策). People there need to put... is garbage sorting a big problem? It’s because there is too much garbage these days. 2 It is bad ……

we are never too old to study.Akira Yoshino, 71, Japanese Yoshino made lithium-ion batteries possible...诺奖得主：我和化学的小故事How do mobile phones or electric (电动的) cars work? They use lithium-ion batteries (锂离 ……

@TianjinStudents from Tianjin Medical University collected used batteries to promote Earth Day on April 22. They collected more than 50 kilos of old batteries to highlight the need to promote garbage ……

. It runs on rechargeable batteries (充电电池). Three Evolta robots will go to an Ironman triathlon course (铁人... the course. But the Evolta robots need a week. ……