. They study there for about six to eight months. The trainers (训练员) take them to different places... stay safe. There are tests2. Some dogs pass the tests and start to work. A guide dog works for about ……

is in Grade Four. He worries about tests2. “I have many tests in my school. Tests make me sweat3. What... tips (小建议) to help you get ready for the tests.1. Be prepared (做好准备) Listen carefully in class. Do ……

.A. insulin was too expensive to afford for patientsB. their findings were based on others&rsquo... and Macleod sold their patent for one dollar mainly because _____.A. insulin was too expensive to afford ……

three months to avoid the black roots becoming too noticeable. ……

with hot water could fend off (阻挡) germs (病菌) and bacteria more effectively.“If you were going to use hot water to kill them it would have to be way too hot for you to take,” Amanda R. Carrico, a research ……

enough sleep and take study breaks.Step 2: ___________________Nobody can work well when they are tired. Make sure you get enough sleep and take study breaks.  Step 3: Develop healthy ……

the dangerous 40 C.At that point, the nervous system (系统) goes out of control, the heart has to take too much... European countries every year.Hot weather alone is not dangerous, according to Discovery.com ……

, depending on specific requirements.The tests are intended to be relevant to language use at work..., understanding an article, or writing a report.The tests are currently available in English, French ……

between antigen tests and nucleic acid tests2. In Paragraph 2, Zhang Wenhong explains _____.A. how... and disadvantages of antigen testsD. the difference between antigen tests and nucleic acid tests3. Compared ……

为什么热气球会飞？Hot air rises5. A heater (加热器) fills the balloon with hot air. So the balloon rises, too. ……

to test mtDNAC. it is only passed down from mother to childD. both women and men can take mtDNA tests2.... both women and men can take mtDNA tests3. According to Hawks, Hayes’s study is _____.  ……

寒冷的冬天，和朋友家人一起享受热乎乎的火锅吧！WHEN cold winter days seem gloomy (灰暗的), nothing is better than a nice hot pot meal to warm and cheer you up.Hot pot has a long history. It is the most popular type of food ……

我爱泡温泉Many people enjoy taking a hot bath on cold days. Japanese macaques (日本猕猴) love it, too... every monkey can enjoy the hot springs. Only the high-ranking (地位高的) females (雌性) and babies can take ……

Man: Hi, honey, do you feel warm in my arms?Polar bear: Actually I feel so hot, I'm beginning...: I ate too much during the Spring Fesival.(from Li Qianyun)Man: Hey, look at me! Look at me!Polar ……

Questions:1. How long does lettuce take to grow in space?2. How much did Hughes win?3. How old is the game Super Mario?Exercise:Choose the answer: 1. Keep all the windows _____. It’s too hot ……