B.Even "safe" levels of pollution affect pollinators badly.C.The law(法律) will have less control over air pollution.D.An environment that is safe for insects is not safe for humans.(5)What is the experiment in the passage mainly about? ___A.The...
D.An environment that is safe for insects is not safe for humans.5. What is the experiment in the passage mainly about? A.The effects of air pollution on pollinating insects. B.Different levels of air pollution in the UK. C.Stresses that insects are facing. D.Causes of air pollution in...
The ozone layer serves an important function for living things on Earth.This shield in the stratosphere(平流层)protects humans and the environment from harmful levels of the sun's radiation. The international community was alarmed after experts discovered a hole in the ozone laye...
Scientists explained that gases like nitrogen oxide and ozone can break down the smell of flowers. This makes it hard for insects to find their food. Maybe the most frightening thing is that the researchers created pollution levels that were legal (合法的) in the UK. Shannon Olsson, a scient...
In school we learned a bit about ozone protection and to be honest, I still feel like it is a complicated matter. Humans aren't the only culprits behind ozone depletion, as science has shown that volcanic eruptions can also cause problems in the upper atmosphere. ...
Pollinators only work in a “safe” environment. Even “safe” levels of pollution affect pollinators. The laws in the UK can’t stop air pollution. The environment now is not safe for humans. 相关知识点: 试题来源: 解析 【小题1】C【小题2】B【小题3】D【小题4】D【小题5】B 【...
(1)D. 推理判断题.根据第一段"Worried about the loss of rainforests and the ozone layer (臭氧层)? Well, neither of those is doing any worse than a large majority of the 6,000 to 7,000 languages that remain in use on Earth. One half of the survivors will almost ...
Damage to Ozone Layer Gets Worse In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer.The warning: The sun's summertime rays a
function is safe for human body under the condition of reasonable design and correct operation. Choosing high-quality, compliant products and following the instructions can ensure that the air purifier is effective in killing bacteria without causing harm to users such as ultraviolet light or o...
Because of the large population, there is less living space for each family. And it is difficult for lots of people to find jobs. At the same time, the large population has caused many other difficulties for the whole nation. For example, it...