The global decrease in investment should be changed____．

A. Some diseases result from an extra chromosome.
B. Some diseases are caused by a chromosome in short.
C. Faulty genes caused by mutation give rise to diseases like mongolism
D. Parents of mongoloid are likely to have more children of the kind.

A. Drink a little of it to feel all-powerful.
B. Don't drink it.
C. Dilute it with water.
Drink it two hours before you make a speech.

A. In ancient tribes, treatment was based largely on superstition.
B. Today, extensive knowledge and sophisticated medical techniques make possible the cure, con-trol, and prevention of hundreds of diseases.
C. The goals of medicine.
D. Control of infectious disease is given as a rea-son for a longer life.
E. School infirmaries appear as a result of in-creasing complicated medical work.
F. Medical care is now provided for patients in hospitals by a medical team consisting of doc-tors, nurses, and laboratory workers.

A. make out
B. go without
C. give in
D. take off