新视野二册词汇练习1

rA) competent B)\rprogressive\rC) promising D)\rattentive\r48. He is a person who continually seeks\rafter improvements in his work.\rA) tries B) hunts\rC) pursues D) searches\r49. The reverse rotation of the machine\rindicated that it was broken.\rA) proclaimed B)\rsuggested.\rC) claimed D)\rsupported\r50. It won' t be too long before we think\rout a way to overcome the difficulties.\rA) reduce B) remove\rC) conquer D) surpass