题目内容
17、________，you need to give all you have and try your best．
A．Being a winner B．To be a winner
C．Be a winner D．Having been a winner
试题答案
17、B
________，you need to give all you have and try your best．
A．Being a winner B．To be a winner
C．Be a winner D．Having been a winner
查看习题详情和答案>>A．Join local club to get some advice
B．Take a partner along
C．A good way for hiking
D．Let somebody know your detailed plan
E．Take along some basic equipment
F．Take along enough water and foo
61.
If you are hiking through wild places，the possibility of getting lost or injured becomes very real.You should think about carefully whether or not you are wise to head out on your own.Taking a partner along can have many advantages，especially if that partner is an experienced hiker.As “two heads are better than one”，if you do get lost or run into difficulty，you’re much less likely to be panic if you have somebody with you to help solve the problem or even save your life.
62.
As a new hiker you should certainly follow clearly marked and well travelled routes.However，it won’t take you too long before you’re ready to take some more adventurous hiking and，at that point，there might be a lot of unknowns and you may need some help.For this reason you should always tell somebody where you’re going and when you will expect to return.
63.
It’s a good idea to always carry a basic survival kit (救生包) with you and your local hiking club will be able to give you excellent advice on the kinds of items you should take with you.The things we’re talking about here might include matches and a lighter，a first aid kit，a sharp knife and a flashlight.It’s also a good idea to have a map and compass with you and a fullycharged cell phone.
64.
Water is clearly necessary because you may dehydrate (脱水) even over a short period of time on a hot day.Natural water sources may look clean but they can make you sick quickly.You should remember，however，that water weighs about 8 pounds per gallon，so take enough but not too much.Also take along enough food with you.
65.
It’s all too easy when you get out into the wilderness to get carried away，with your own enthusiasm (热情) and try all kinds of things，but you will quickly realize it is stupid.Joining your local hiking club will allow you to get some advice and information on hiking，including such things as which are the best hiking boots to buy.
查看习题详情和答案>>How would you like to learn more without having to study more？Here’s how：
1．Get to bed and go to sleep.Your performance，attention，and the ability to concentrate are damaged by lack of sleep.Teenagers need nine to ten hours of sleep a night for best performance.
2．Feed your head.The brain runs badly if it doesn’t get enough fuel.That means protein(蛋白质)and complex carbs (复合碳水化合物)－eggs and wheat bread for breakfast，say，rather than sugary cereal(含糖的麦片粥)and orange juice.The biggest mistake teens make is not to have breakfast or to go for sugar，which raises blood sugar levels.
3．Body exercise is brain exercise.Body exercise really improves brain performance，perhaps because it increases blood flow，or perhaps because it reduces stress and anxiety(焦虑).Twenty minutes of activity a day that raises your heart rate will do great good.
4．Learn now what you want to remember for the rest of your life.Teenage brains are much better at remembering things than the brains of young children or adults.Scientists aren’t sure why.Whatever the reason，the teenage years are the time to learn new languages and master other lifelong skills.
5．Learn the power of risk taking.Adults are always worried about the downside of teenage risk?taking，and it’s true that teenagers are more likely than adults to get themselves in trouble by drinking and driving.But the fact that the parts of the brain that drive people to try new，risky，and exciting things appear to be more developed in teenagers can be a huge advantage.Pick certain challenges－difficult sports，a hard job，mastering a performance art，traveling overseas－and the teenage brain is able to deal with them.They have this power they’re given to go out and do it without fear.
6．Learn what you love.Because emotional(情感的)systems develop fast in teenager brains，teenagers learn things they’re interested in quickly and well.Their brains give them tools like attention on the project.
1.According to the passage，teenagers should have for breakfast.
A．wheat bread and eggs B．sugar and orange juice
C．sugar and bread D．wheat bread and orange juice
2.Body exercise plays a part in all the following EXCEPT .
A．making people less anxious B．raising heart rate
C．reducing blood pressure D．reducing stress
3.The underlined word “downside” in the passage probably means .
A．excitement B．disadvantage
C．benefit D．power
4.It can be learned from the passage that .
A．teenagers learn quickly when they are fond of something
B．teenagers should be forbidden to drive
C．scientists know why teenagers have a good memory
D．teenagers need less sleep than adults
查看习题详情和答案>>
arents paid attention to
uble with math since second grade.
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，we can learn that________.