Through the windows of the bird-hide I could see the placid waters of the river as they glided sedately southwards on their journey to the firth. On the far shore the fields running down to the river-bank were a rich green and a large tent in the distance showed that someone had foun...
You feel them all over your body. Nerves react to things we touch and send a 3 to our brain(大脑) telling us how something feels. If a knife cut your finger, your finger would hurt. If you didn't have nerves, you would not feel the pain(疼痛), but you would 4 lose blood(血)...
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(*^__^*)
I.阅读理解The human body is a machine that can raise lots of interesting questions. Why, for example, are yawns(呵欠) contagious(传染的)? What's up with ice-cream headaches? Here are answers to these and other questions about our bodies.Why do I get a headache when I eat ice cream ...
But it's not just the lungs you have to worry about during extended periods of reverse suspension. Our bodies are well set up to move blood around when we're standing upright, and our blood vessels are customized to make sure blood doesn't pool up in our feet. But that system is...
“Last one,” I informed him, “Let’s make it special!” I sliced the cane down, diagonally this time. The weal raised rapidly, crossing the others I’d inflicted on him. My hands soon wandered for a feel of the bottom still so submissively on display. That had been a hell of a...
根据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,然后放松,让血液流动起来,所以tighten的含义为“变紧”,故选B。【小题2】推理判断题。根据What causes my stomach to make a low continuous noise...
If a person loses a lot of blood he will become ill and may die. Blood isvery important. People have always known that. At one time some people even drank blood to make them strong! When doctors understand how blood goes around inside the body they try ways of giving blood to people ...
How do they make it Scientific research shows that they are born with certain unusual abilities for direction.A certain kind of ants, for example, can count their steps to avoid getting lost. They can go as far as 10 metres and bring food home. These ants live in the open desert (沙漠...
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...