1.B 测题。 根 第三段第二 Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.可知放松让血液流动,由此可推知阻止血液流动 的应该是血管紧缩。 2.D 细节 解题。 根 最后一段第二句It...
根据第二段中的 Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise可知,头部的血管收紧,以阻止身体热量的流 失。 由此可知,单词 tighten意为“变紧” 。 2. A 题。 根据第三段中的“It can make you feel embarrassed but is nothing to worry...
Directions:For this part,you are allowed 30 minutes towrite an essay that begins with the sentence"With their valuable skills and experience,elderly people can continue to make significant contributions to society.”You can make comments,cite examples...
这是一个主语从句，How blood flows in a human body作整个句子的主语，血液怎样在人体里流动，所以用how（怎样），第二个空用that，that引导的又一个定语从句，修饰前面的question.希望能帮到你，祝更上一层楼O(∩_∩)O 有不会的欢迎再继续问我(*^__^*)
freedom to explore and learn on their own helps foster their independence and boost their confidence." You can make comments, cite examples or use your personal experiences to develop your essay. You should write at least 150 wor...
Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache. You can improve an ice-cream headache by rapidly rubbing your tongue across the roof of your mouth to help warm up things.What...
(1)B.词意推断题.根据Blood vessels(血管) in the head tighten to stop the loss of body heat and then relax to let blood flow rise;头部的血管tighten以阻止身体热量散失,然后放松以使血液上升;可推知是变紧的意思.故选B.(2)A.细节推断题.根据 These muscl...
as the second blood sample must be taken before the isotopes have been eliminated from the body [96]. Additionally, this method provides energetic estimates from the study period as a whole and extensive behavioural observations are required to estimate the costs associated with specific behaviours ...
“We think the drug will improve signs of ageing and boost the immune systems of older people” But these studies rely on young people donating their blood: if this became the go-to therapy for age-related disease it would be difficult to get enough donations to fulfil demand...
In my view, we should hold a cautious attitude toward some of the violent video games. On the one hand, there is no denying the fact that playing video games during the leisure time can make people relaxed. But on the oth...