After hours of repair, the driver tried to start the machine but it _________ work.
|
A．won’t |
B．shouldn’t |
C．wouldn’t |
D．couldn’t |
His room needs _______,so he must have it ________.
|
A．painting ; painted |
B．painted ; painting |
|
C．painting ; painting |
D．painted ; painted |
最近你班将举行一场题为 Life in the future 的讨论会， 请根据以下要点， 写一篇一百词左右的发言稿。注意：不要逐字逐句翻译。
1.随着医学的发展，人类的平均寿命将会达到120岁。
2.由于新能源的出现， 污染问题将得到控制。
3.人们的日常生活也将有很大的变化。 如机器人可以为你做家务；椅子的也按色能够随着你所穿的衣服而改变；手机可以带在手腕上， 通话时可以看到对方；可以乘坐新型的电梯进入太空度假。
[1]Global difference in intelligence is a sensitive topic, long filled with a large number of different opinions. But recent data has indeed shown cognitive (认知的) ability to be higher in some countries than in others. What's more, IQ scores have risen as nations develop—a phenomenon known as the "Flynn effect". Many causes have been put forward for both the intelligence difference and the Flynn effect, including education, income, and even non-agricultural labor. Now, a new study from researchers at the University of New Mexico offers another interesting theory: intelligence may be linked to infectious-disease rates.
[2]The brain, say author Christopher Eppig and his colleagues, is the "most costly organ in the human body". Brainpower consumes almost up to 90 percent of a newborn's energy. It's clear that if something affects energy intake while the brain is growing, the impact could be long and serious. And for vast parts of the globe, the biggest threat to a child's body—and therefore brain—is parasitic (由寄生虫引起的) infection. These illnesses threaten brain development________________. They can directly attack live tissue, which the body must then try every means to replace. They can invade the digestive pipe and block nutritional intake. They can rob the body's cells for their own reproduction. And then there's the energy channeled (输送) to the immune system to fight the infection.
[3]Using data on national "disease burdens" (life years lost due to infectious diseases) and average intelligence scores, the authors found they are closely associated. The countries with the lowest average IQ scores have the highest disease burdens without exception. On the contrary, nations with low disease burdens top the IQ list.
[4]If the study holds water, it could be revolutionary for our understanding of the still-confusing variation in national intelligence scores.
1.What is the main idea of the text？(no more than 10 words)________________________
2.Complete the following statement with proper words.(no more than 4 words)
Those countries that have the ________________ are always at the bottom of the IQ list.
3.Fill in the blank in Paragraph 2 with proper words. (no more than 5 words)
___________
4.What can cause intelligence difference？(no more than 8 words)
________________________________________________________________________
5.What does the word "they" (Line 2, Paragraph 3) probably refer to？(no more than 8 words)
________________________________________________________________________
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1. How long does it take the battery to charge up an iPhone?
A. 15 minutes. B. 30 minutes. C. 1.5 hours. D. 3 hours.
2.What is special about the battery?
A. It is built in an iPhone. B. It is the smallest of its kind.
C. It can also be used as a charger. D. It keeps power for about 30 days.
3. If you are not satisfied with the product, you ______.
A. may get your pre-paid money back with any reason
B. can demand an apology and the money back within 30 days
C. have the privilege of one-month return without any reason
D. are probably unable to have the return privilege with a return label
4.Who mentions the transporting of the battery?
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Riding was the favourite activity of Thomas Jefferson, who was the third President of the United States. He usually rode good horses.
One day, he was riding outside Washington, when a jockey (赛马师) came near. He did not know the President, but his professional eye was attracted by Mr. Jefferson’s horse. He stopped and said that he wanted to buy the horse, but Mr. Jefferson politely refused his offer.
The jockey offered more money for the horse, because the closer he looked at the horse, the more he liked it. All of his offers were refused, which made him angry. He then became rude, but his rudeness left as little an impression as his money, for Jefferson had a very good temper. At last, he hit Mr. Jefferson’s horse with his whip, getting it to run suddenly. This would have thrown a less skillful rider to the ground, but Jefferson stayed on his seat, and controlled his horse well.
The jockey then gave up. He rode with Mr. Jefferson side by side and began to talk with him about politics. Jefferson joined in the conversation. When they got into the city and came close to the gate of the presidential mansion (总统府), Mr. Jefferson stopped, and politely invited the man to enter.
The jockey was surprised and asked, “Why? Do you live here?”
“Yes” was the simple reply.
“Why, stranger, what’s your name?”
“My name is Thomas Jefferson.”
Embarrassed, the man quickly left, while the President looked at him with a smile and then rode through the gate.
1.Which is the best title for the passage?
A. Jefferson and the Jockey B. Jefferson’s Interest
C. Be Polite to Everyone D. No Pain, No Gain
2. Which word can best describe the jockey?
A. Professional. B. Skillful. C. Impatient. D. Impolite.
3.The underlined word “embarrassed” can be replaced by “__________”.
A. worried B. pleased C. hurried D. ashamed
4.We can infer from the passage that __________.
A. the jockey had once bought a horse from another stranger
B. Mr. Jefferson was very good at riding a horse
C. Mr. Jefferson would invite the jockey to his own house later
D. the jockey would not talk about this experience to others
5.According to the passage, which of the following statement is true?
A. The President of the US is fond of riding.
B. The jockey managed to buy the horse from Mr. Jefferson.
C. Mr. Jefferson, the third President of the United States, was a man of good manners.
D. All the presidents of the US have expensive horses.
