更多"Researchers all over the world have"的相关试题:
[单项选择]Researchers all over the world have been seeking for determining how early infancy conceptual thinking is possible.( )
A. have been seeking about determining
B. have been seeking to determine about
C. have been seeking to determine
D. have sought to determine
[单项选择]Calories
For years now, calories have been all the rage—people are counting them and cutting them, and you’d be hard-pressed to find something at the supermarket that does not list its calories per serving somewhere on the package. But have you ever wondered what exactly a calorie is
What Is a Calorie
A calorie is a unit of energy. We tend to associate calories with food, but they apply to anything containing energy. For example, a gallon (about 4 liters) of gasoline contains about 31,000,000 calories.
Specifically, a calorie is the amount of energy, or heat, it takes to raise the temperature of 1 gram of water 1 degree Celsius (1.8 degrees Fahrenheit). One calorie is equal to 4.184 joules (焦耳), a common unit of energy used in the physical sciences. Most of us think of calories in relation to food, as in "This can of soda has 200 calories." It turns out that the calories on a food package are actually kilocalories (1,000 calories=1 kilocalori
A. how much energy that food contains
B. the compilation of these three building blocks
C. how the energy is acquired
D. where does the food come from
[单项选择]Calories
For years now, calories have been all the rage—people are counting them and cutting them, and you’d be hard-pressed to find something at the supermarket that does not list its calories per serving somewhere on the package. But have you ever wondered what exactly a calorie is
What Is a CalorieAs a unit, what does calorie apply to
A) Food. C) A gallon of gasoline.
B) Anything containing energy. D) Exercise.
[多项选择]
Calories
For years now, calories have
been all the rage—people are counting them and cutting them, and you’d be
hard-pressed to find something at the supermarket that does not list its
calories per serving somewhere on the package. But have you ever wondered what
exactly a calorie is
What Is a Calorie
A calorie is
a unit of energy. We tend to associate calories with food, but they apply to
anything containing energy. For example, a gallon (about 4 liters) of gasoline
contains about 31,000,000 calories.
Specifically, a calorie is
the amount of energy, or heat, it takes to raise the temperature of 1 gram of
water 1 degree Celsius (1.8 degrees Fahrenheit). One calorie is equal to 4.184
joules (焦耳), a common unit of energy used in the physical sciences.
Most of us think of calories in relation to food, as in "This can of soda
has 200 calories." It turns out that the calories on a food
[单项选择]
Students all over the world have to work for their education. A college education in the United States is expensive. The costs are so high that most families begin to save for their children’s education when their children are babies. Even so, many young people cannot afford to pay the expenses of full-time college work. They do not have enough money to pay for school costs. Tuition for attending the university, books for classes, and living expenses are high. There are other expenses such as chemistry and biology lab fees and special student activity fees for such things as parking permits and football tic, kets. The cost of college education increases every year. However, classrooms are still crowded with students. Some American students have scholarships or other support, but many do not.
Students from other countries have money problems to overcome, too. Because students in most international programs need to have a sponsor, they work hard to earn scholarships o
A. inexpensive
B. high
C. free from charge
D. costless
[简答题]Fast food has been popular all over the world. Some people worry that traditional cuisines will be replaced by fast food. How far do you agree or disagree with this point of view
Write on ANSWER SHEET TWO a composition of about 200 words on the following topic: Will Fast Food Replace Traditional Food
You are to write in three parts.
In the first part, state specifically what your opinion is.
In the second part, support your opinion with appropriate details.
In the last part, bring what you have written to a natural conclusion or a summary.
You should supply an appropriate title for your composition.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the instructions may result in a loss of marks.
[单项选择]Like flowers that have been waiting all winter to blossom, tourists are eager to burst forth with their cameras.
A. survive
B. breeze
C. bloom
D. revive
[填空题]For centuries people have been fighting over whether governments should allow trade between countries. There have been, and probably always will be, (1) to the argument. Some people argue that just (2) is best for both the country and the world. Others argue that trade with other countries (3) for some people to make a good living. Both sides are at least (4) .
International trade matters a lot. Its effects on (5) are enormous. Imagine a world in which your country (6) at all with other countries. Imagine what kind of job you would be (7) and what goods you could buy or not buy in such a world.
For the United States, for example, start by imagining that it lived without its (8) a year in imported oil, and cut back on its (9) because the remaining domestic oil and other energy sources were (10) . Producers and consumers in other parts of the economy would (11)