Indiana middle school and high school students can receive free help with their math and science homework, ___is great news for parents, teachers, kids in grades six through twelve in the state of Indiana. The Rose-Hulman Institute of Technology has
_ homework hotline that makes
possible, and the homework hotline provides this
___ (value) tutoring(辅导) service for free. Not only is homework help
__ (complete) free to Indianan middle school and high school kids, but the call is also free
charge.
Since 1991, the Rose-Hulman Institute of Technology ___(help) middle school and high school kids in the state of Indiana develop the skills they need
__(solve) math and science problems, and Rose-Hulman college students help in a way that makes kids think and solve problems without
____ (provide) the answers. This free tutoring program is a great benefit
____middle school and high school students in Indiana.
阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
The truth trees are vital to our life is not a secret. They provide us with food, wood and most
(important), oxygen. Now there is one more thing we can add to this list—blocking out harmful bacteria from water.
The discovery (make) by a team
(consist) of scientists from the Massachusetts Institute of Technology (MIT) and high school students
were seeking a natural water filter—one that would help communities in developing countries that do not have
(accessible) to modern water filter systems.
The (research), led by Professor Rohit Karnik, decided to turn to trees for help because they could allow liquid to flow through, while blocking out air bubbles.
They began by cutting 1.5-inch-wide sections of tree bark from the branches of a white pine tree. The people related then tested the wood’s filtering ability by pouring water containing red dye particles of different sizes through. their amazement, they found that it was effective in trapping all the articles.
(encourage), the team conducted
experiment, this time with water that contained bacteria. Sure enough, the sapwood held back 99% of the bacteria, allowing only 1% to flow through.
阅读下面短文，根据以下提示：1）汉语提示；2）首字母提示；3）语境提示，在每个空格内填入一个适当的英语单词，并将该词完整地写在右边相对应的横线上。所填单词要求意义准确、拼写正确。
Thirty years ago, communication wasn’t so convenient. And my grandparents wrote letters to their friends and __________（亲戚）. They wrote to each
__________ because Grandpa worked in the city and Grandma lived in the country. It
__________（花费）about one week to deliver a letter. When Grandma asked questions in her letter, she had to wait more than two weeks to get the answers! If they had anything
u and to deliver immediately, they had to send telegrams.
The telephone became popular in the early 1990s. But not until 1998 did my dad’s familyh a telephone. Although it was much
f than writing letters, it was still inconvenient. Once Dad arrived home late because he helped a granny
__________ his way. My grandparents were very worried because they couldn’t get in
with him. Then my dad bought his first mobile phone in 2002.
My favorite communication tool is the mobile phone. I have used it since my sixteenth birthday. My parents and friends can find me w I am. It’s very convenient, but at the same time it is easy to get bothered, especially when I want to stay alone. Sometimes I have headaches after
_____（谈话）on the mobile phone for a long time.
Camels certainly like eating green grass, not dry grass. But (strange), camels always keep looking for dry grass
their stomachs are filled up.
A classmate of (I) whose home is on the edge of Turpan Basin in Xinjiang told me his home has two camels; he said you could imagine a camel’s appetite, for it can slowly swallow dozens of kilograms of hay (干草). I asked him
camels eat hay, not green grass. He said the camel is a kind of animal with
strong sense of suffering,
(fear) its master letting it travel through the desert the next day, and the hay in its stomach is more hunger-resistant
green grass.
The camel has the best tolerance. Unfortunately, many people can only see a camel’s outstanding performance, but few understand its (prepare) made for it.
Life, a camel traveling through the desert,
(need) the adequate accumulation, but not everyone can understand it.
One (rain) night I was driving along a lonely highway
I saw a man walking rapidly ahead of me along the side of the road. It was pouring rain and I slowed down to avoid
(splash) him as I went by.
He misunderstood, (think) I was offering a ride and ran towards my car. He was very tall, had a full beard and he scared me. I stepped on the gas pedal to leave
(quick), and I saw the look of total despair in his eyes.
Suddenly, all fear was (go) and I backed up and unlocked my car door, praying this was not the
(big) mistake in my life but somehow knowing it would be okay.
The man was a plumber（水暖工人）, truck had got stuck in the mud. He
(walk) for miles. No one would pick him up and his wife was in the hospital in labour（分娩） with their first child!
He had cried at the thought that he might not be there.
We (arrive) at the hospital moments before his son was born.
阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
What on earth does happiness mean? I can’t give you exact definition, but I’m sure if you love and help _________ , you’ll get it .
I’ll never forget an old lady. She lives in __________ small house alone. It is said that her husband and her son
_______( die ) in a road accident years ago . Her life is bitter, but she often helps others with a smile. Whenever it snows, she is always the first
_________ (clean) the paths. She looks after several children living nearby. I am one of them. I often remember the stories she told us and her kind smile. Perhaps she is unlucky, but I think she is a happy person. Her life is full of
_________( laugh ) and love .
But I’m sad to see some people getting their happiness in bad ways. They talk________ (noisy) in cinemas and meeting rooms; they destroy trees to enjoy themselves and they laugh at others’ shortcomings. Perhaps they feel happy at that time ,
__________ they will never get true happiness because they
________
(lose) their personality already .
Now I know what happiness is. _________ means kindness, love and unselfishness. Above all, I have come to understand that
_______ (bring) happiness to others is getting ourselves happiness.
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