______________ is a measure of incomeor profit divided by the investment required to obtain that income or profit

9． —Do you want tea or coffee?—I really don-t mind_________ ．

Which do you think is _________________important, health or wealth?

I don't think the audience would care _________the film is financed or distributed.

Either he or I ______to the airport.

—Which foreign language are you better at, English or French?—I am sorry I know _______of English and _______of French.

—Do you learn Russian or French?—I learn ______.

：不管外界对大学英语四、六级考试有怎样的非议，每年的四、六级考试还是_________地进行着，不少高校的学位证书仍然与大学英语四、六级考试挂钩着，大学英语四、六级考试成绩依然神气着……当大学英语四、六级考试_________成只为一纸证书考试时，大学英语四、六级考试就已经变得_________了。 填入画横线部分最恰当的一项是（ ）。

不管外界对大学英语四、六级考试有怎样的非议，每年的四、六级考试还是________地进行着，不少高校的学位证书仍然与大学英语四、六级考试挂钩着，大学英语四、六级考试成绩依然神气着……当大学英语四、六级考试________成只为一纸证书考试时，大学英语四、六级考试就已经变得________了。填入划横线部分最恰当的一项是（ ）。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Don’t ______ that rope, or you might fall.

It is generally considered unwise to give a child___( )_____ he or she wants.