Reading passages

fight against a wasting disease such as cancer or a 
digestive disorder, especially when accompanied 
by malnutrition. Without adequate nutrient and
energy reserves, an underweight person will have 
a particularly tough battle against such medical 
stresses. In fact, many people with cancer die, 
notbecause of the cancer itself, but from 
malnutrition. Underweight women may become 
infertile. Exactly how infertility develops is 
unclear, but contributing factors cover not only 
body weight, but also restricted energy and fat 
intake and depleted body fat stores. 
307- The author points out that infertility in 
women ------- .
A) may partly be due to the state of being 
underweight 
B) follows a distinct pattern as it develops 
C) can always be effectively treated with a 
balanced diet 
D) can lead to a variety of wasting diseases 
E) undermines the body's energy reserves 
 
308- The points is made in the passage that an 
underweight person ------- .
A) is most probably suffering from stomach cancer 
B) is not necessarily to be unhealthy
C) obviously has poor eating habits
D) is likely to be a heavy smoker 
E) easily develops some form of digestive disorder 
309- We can infer from the passage that under 
weight accompanied with malnutrition ------- .
A) is rarely found among old ladies 
B) has a negative effect on heavy smokers 
C) means that the body finds it difficult to resist a 
wasting disease 
D) has no damaging effect on the body's energy 
reserves 
E) is best treated with a generous intake of fat 
For many years whooping cough has been 
considered to be a bother to the patient and a 
nuisance to others; as, in fact, an unimportant