In 1948, the United Nations General Assembly adopted the resolution entitled the Universal Declaration of Human Rights. This resolution stresses personal, civil, political, social, cultural, and economic rights of people.
In so doing, the article promotes __________.
A. financial well-being only
B. fundamental freedoms
C. social unrest
D. only one political party
DNA, a nucleic acid contained in all living material, orders every cell to reproduce in a certain manner. In feet, DNA molecules determine both the form and function of all living cells.
DNA is __________.
A. found only in animals
B. one kind of cell
C. a nucleic acid
D. a nuclear device
Garbage has become an alarming problem – and it won't go away. State landfills, as they are presently designed, are quickly filling up. Consequently, since 30% of trash being dumped can be recycled, it is time for communities to set up recycling programs. Not all trash needs to be dumped.
We know that __________.
A. a third of what we dump could be recycled
B. people could start their own landfills
C. recycling will never take place
D. 70% of trash can be recycled
Sometimes a state legislature asks the voters to approve or reject a proposal called a referendum. The proposal may be a constitutional amendment, a plan for long-term borrowing, or a special law affecting a city. In effect, the question is "referred" to the voters. The Constitution of the United States was submitted to state conventions for approvals.
From the definition above, you can say that it was __________.
A. approved unanimously
B. approved by a form of referendum
C. rejected by a majority of the states
D. referred to the president of the United States
Some pollutants that render air unsafe to breathe cannot be seen or smelted. Nitric oxide, carbon monoxide, and radon gas are examples. Other pollutants, such as formaldehyde, can be smelted at high levels only but are still unsafe to breathe even at lower levels.
You can conclude from the paragraph that formaldehyde __________.
A. is safer to breathe than nitric oxide
B. can never be seen or smelted
C. cannot be smelted at lower levels
D. is not one of the pollutants that renders air unsafe to breathe
Pneumonia is caused by bacteria, viruses, fungi, or mycoplasmas. Bacterial pneumonia is the main type of pneumonia that follows an attack of the flu and a major precipitator (beginning cause) of pneumonia deaths.
Which kind of pneumonia is the most deadly?
A. bacterial
B. viral
C. fungi
D. flu
Because the temperature of ocean water changes more slowly than the temperature of air, oceans affect the world's climate. As ocean water moves past land masses, it affects the climate by warming the air in winter and cooling it in summer.
The key idea in this paragraph is that __________.
A. ocean water moves past land masses
B. ocean water cools the air in winter
C. ocean water warms land masses in summer
D. the world's climate is affected by the temperature of the oceans
There are several differences between reptiles and birds. One key difference involves the skeletal structure between the two and the fact that birds have wings. Reptiles have solid bones that are dense and they travel on land or in the water. Birds have hollow or pneumatic bones filled with air that are lighter and allow them to fly. In addition, birds have a lightweight beak instead of teeth, or a heavy jaw.
Birds __________.
A. can travel faster than reptiles
B. may have a heavy jaw
C. do not have teeth
D. have a solid bone structure
The maggot larvae may be more than just a repugnant animal. Maggot larvae, called Phaenica sericata, have recently been used in a treatment known as Maggot Therapy. Twice a week, larvae are placed on a wound and left there for 48 to 72 hours. The maggots only eat the dead tissue, leaving healthy tissue intact, a process called debridement. In a recent study, wounds that got presurgical maggot therapy developed no infections after surgery. While about one-third of wounds that didn't get maggot therapy developed an infection.
In the context, repugnant means __________.
A. distasteful
B. cute
C. friendly
D. jovial
Doctors and experts recommend that an aspirin a day may cut the risk of developing colon cancer. However, a smaller dose of baby aspirin may be more effective at this than a full size aspirin.
A full size aspirin __________.
A. does not cut the risk of developing colon cancer
B. prevents colon cancer
C. may cut the risk of colon cancer
D. is not as effective as a baby aspirin
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