48.When your colleague brings about a problem, you should .(A). find a better way to handle the prob
49. When problems occur, winners take them as(A). excuses for their failures(B). barriers to greater
50.Which of the following is the best title for the passage?(A).A Winner’s Secret. (B).A Winner’s Pr
51. CFood hometimes gets poisoned with harmful things. Aperson who eats such food can get an illness
52.We know from the passage that the symptoms of food poisoning .(A).are always accompanied by a fev
53.Food poiseming can be caused by all the following EXCEPT .(A).fome chemicals(B).low temperatures(
54.From Paragraph 5,we can learn that .(A).mushrooms should not be eaten(B).vegetables are safer tha