更多"Why was hemp banned in the United S"的相关试题:
[单项选择]Why was hemp banned
A. It is related to the marijuana plant.
B. It can be used to produce marijuana.
C. It was not longer a useful crop.
D. It was destructive to the land.
[单项选择]Why do children in the United States look forward to Christmas
A. Because they can eat turkeys.
B. Because they can wear new clothes.
C. Because they have a good holiday.
D. Because they can receive gifts and send cards.
[单项选择]Why do lakes in the United States and Canada become dead lakes
A. Fish in the lakes die because acid rain deprives them of oxygen.
B. Fish in the lakes die from taking in poisonous substances released from the acids.
C. Fish in the lakes die from direct contact with accumulated acid in the water.
D. Air pollutants are dissolved in the water and thus kill the fish.
[单项选择]Why was the United States called a "melting pot"
A. Most immigrants have settled in big cities.
B. Its population consists of people from various countries.
C. Most people tend to forget where their ancestors came from.
D. People gathered in racial groups.
[单项选择]Why do a lot of people in the United States call for censorship
A. Because they believe that they arch’t protected by the First Amendment.
B. Because they believe it is illegal to burn the U. S. flag.
C. Because they believe some people are taking advantage of the First Amendment.
D. Because they believe that artists should do a better job.
[单项选择]How many states are there in the United States
A. Thirteen.
B. Fifty.
C. Fifty one.
D. Sixty.
[单项选择]The United States is composed of fifty states, two of ______ are separated from the others by land or water.
A. them
B. that
C. which
D. those
[单项选择]The United States bought Louisiana from
A. France
B. Spain
C. Britain
D. Mexico
[单项选择]
The United States government publishes guidelines for appropriate nutrient intakes These are known as the Recommended Dietary Allowances (RDAs) and are updated regularly based on new research in the science of nutrition. RDAs are suggested amounts of calories, protein, and some minerals and vitamins for an adequate diet. For other dietary substances, specific goals must await further research. However, for the U.S. population as a whole, increasing starch and fiber in our diets and reducing calories (primarily from fats, sugar, and alcohol) is sensible. These suggestions are especially appropriate for people who have other factors for chronic diseases such as family history of obesity, premature heart disease, diabetes, high blood pressure, and high blood cholesterol, or for those who use tobacco. Snacks can furnish about one-fourth of the calorie requirements among teenagers Those snacks should also furnish much of the day's allowances for protein, minerals, and vitamins. Sa
A. all RDAs have been established
B. not all RDAs have been established yet
C. it's not important to know RDAs
D. RDAs are necessary only for sick people
