评论
打印
237. Most of the students found the lecturer's speech ______ ; in fact, it was so dull that some even nodded off.
A. illuminating
B. cryptic
C. tedious
D. disjointed
E. unsettling
238. The attempts of epidemiologists to ______ the infectious disease ultimately proved futile: as soon as they managed to ______ it in one community, it would emerge somewhere else.
A. contain, check
B. control, extend
C. eradicate, unleash
D. defend, cure
E. replicate, monitor
