未分类题The speed of communications today,______that of yesterday, has greatly altered the manner in which business today is conducted.A．as opposed toB．in correspondence toC．contrary toD．in proportion to
未分类题After his death, his papers—including unpublished articles and correspondence—were______at the library.A．depositedB．attributedC．involvedD．buried
未分类题He couldnt______his father that he was telling the truth.A．guaranteeB．ensureC．convinceD．persuade
未分类题The number of deaths______ to cigarette smoking clearly outweighs all other factors, whether voluntary or involuntary, as a cause of death.A．attributedB．contributedC．devotedD．exposed
未分类题Tom and his twin brother do not agree on the matter, but they have a______ respect for each others opinions.A．commonplaceB．cosmicC．corporateD．mutual
