“The sea ice is more than just this platform that the bears walk over,” says Andrew Derocher,【7】scientist who studies North American polar bear populations. “【8】it, they can’t exist.” Some melting and refreezing of the polar ice is natural.【9】in a warmer world, these ...
28. The scientist didn't give up, did the experiment a and made an amazing discovery. 相关知识点: 试题来源: 解析 【答案】again【核心短语/词汇】give up:放弃;do the experiment:做实验;make a discovery:做出发现【翻译】科学家没有放弃,再次做这个实验,然后做出了惊人的发现。【解析】根据“didn't...
解析 1. does 2. gets 3. did 1. 第一句的主语是The scientist,是第三人称单数,所以要用does。 2. 第二句的主语是He,是第三人称单数,所以要用does,这句话描述的是习惯性动作,用一般现在时,所以是gets。 3. 第三句根据时间状语before,要用一般过去时,所以是did。
Recently, a scientist did some experiments.He left a group of 4-year-olds in a room with a bell and a candy.If they rang the bell, he would come back and they could eat the candy.If, however, they didn't ring the bell and waited for him to come back on his own, they could ...
4. The scientist did a test and found that trees can grow because of ___.5. We have learned that ___ from the passage. 2021/06/29 | 708次组卷 | 6卷引用:贵州省安顺市2021年中考英语试题 相似题 纠错 详情 收藏 A (2021·四川·成都...
For example, the scientist might put some food just out of an animal’s reach.One kind of animal may grab a stick and use it to slide the food over.Another kind might not be able to figure out a way to get the food.Some scientists think animals that have lots of problems to solve...
题目The scientist did an interesting experiment. ___ was the result of the experiment? A. What B. Who C. How D. Which 相关知识点: 试题来源: 解析 A。“what”询问事物的内容;“who”问人;“how”问方式;“which”在特定范围内选择。这里问实验的结果,是事物,用“what”。反馈 ...
解析 A。本题考查现在完成时。in the past year 是现在完成时的标志词,表示从过去到现在的一段时间内发生的动作,所以用 has done。B 选项 did 是一般过去时;C 选项 does 是一般现在时;D 选项 is doing 是现在进行时,都不符合题意。反馈 收藏
The fire was blamed on an electrical fault in the vehicle, and not considered suspicious at the time. That all changed, dramatically, on Thursday. A website called Bite Back carried claims that the Animal Liberation Front had placed an incendiary device under the car. The attack was, it ...
a妈妈生了我怎么翻译 How did mother live me to translate[translate] a潘超 Pan Chao[translate] a2)The scientist failed in his experiments many a time ,but he was never discouraged ;instead, he stuck it out and finally made a great scientific discovery.[translate]...