第一节 单项选择 (共15小题，每小题1分，满分15分)
1．eating too much fat can ________ heart disease and cause high blood pressure.
a. result from b. contribute to c. attend to d. devote to
2. mr. green stood up in defence of the 16-year old boy，_________ that he was not the one ____________.
a. said; blamed b. saying; to blame c. to say; to be blamed d. saying; blaming
