下列哪个不属于固定酸A．碳酸B．磷酸C．硫酸D．乳酸E．乙酰乙酸
题型：单项选择题
问题：
下列哪个不属于固定酸
A．碳酸
B．磷酸
C．硫酸
D．乳酸
E．乙酰乙酸
题型：单项选择题
Mr. Fitzpatrick has given much attention to his “Weight reduction” (减轻体重) programs. Just last year, for example, when he was the main speaker at the company dinner, he said he put on twenty pounds instead of losing thirty he promised he would.
The year before that, he joined a health club. He exercised every day and ate less food. At the end of three months, however, he began making excuses about why he couldn’t go there more often.
After the health club failed to work, he joined Weight Watchers but stopped going because he was the only man there. And he hated following any of the diet programs. Fitz’s latest idea is to join a walking club to “walk off” the weight.
41. Mr. Fitzpatrick was ________ when spoke at the company dinner last year.
A. lighter than the year before B. planning to go on a diet
heavier than the year before D. with the Weight Watchers
42. He did not stay with Weight Watchers because ________.
A. he couldn’t do as the diet programs required him
B. he felt uncomfortable being watched by women
C. the members of Weight Watchers were all women but him
D. both A and C
43. Which of the following can best explain the main idea of the passage?
A. There is no good way to lose weight. B. One can do nothing without a strong will.
C. There are different ways to lose weight. D. Walking is the best way of losing weight.