2013年职称英语备考每日练习理工类14_第3页

　　At first, people with diabetic retinopathy will not notice any symptoms. As the disease gets worse, they may notice blurred（模糊的）vision, black spots or flashing lights. As time goes on, it Can progress to blindness Everyone with diabetes is at risk for diabetic retinopathy, and the risk increases the longer you've had diabetes
　　Fortunately, you can reduce your risk If you do not have diabetes, but think you may be at risk for this condition. visit your doctor to be screened for diabetes. If you d0 have diabetes：
　　Have frequent eye check-ups.
　　Make sure that you monitor your blood sugar frequently and use your medications as recommended by your doctor There is evidence to show that keeping your blood sugar under tight control can slow down eye damage
　　If you have high blood pressure, follow your recommended diet and medications to keep it under control. If you are not sure whether you have high blood pressure, or whether your blood pressure is under control, discuss this with your doctor

　　36 Glucose cannot be turned into energy in the body
　　A without diabetes.
　　B without sugar.
　　C without insulin
　　D without food.
　
　　37 The word"its"in the second paragraph refers to
　　A "the nerve's
　　B "the blood's
　　C "the eye's
　　D "the retina's
　
　　38 With diabetic retinopathy, the damaged blood vessels in the retina
　　A are stronger than what they used to be.
　　B cannot be properly replaced.
　　C are more likely to break than the new ones.
　　D may return to normal again
　
　　39 The worst eye damage induced by diabetes is
　　A blurred vision
　　B black spots.
　　C blindness.
　　D flashing lights.
　
　　40 To slow down eye damage, people with diabetes should try to
　　A use as many medications as they can.
　　B eat as little as possible.
　　C wear glasses as often as possible.
　　D keep their blood sugar under tight control.

　　第三篇  Milk That Paid a Medieal Bill
　
　　One day, a poor boy who was selling goods from door to door to pay his way through school found he had only one thin dime（10分钱）left, and he was hungry.