[单选题,1.3分] —Are you a teacher? —I ________, but now I am working in a company.

[单选题,1.3分] feel sure I ________ her somewhere before.

单选题,9分] Scientists say it may be five or ten years _______ it is possible to test this medicine on human patients.

__________ of these books are yours

单选题) ( ) These _______ are my friends.

I am wondering if they are ____ or____.

All people, whether they be rich or poor, strong or weak, privileged or deprived，are interdependent, and _______ the common task of seeking to achieve mankinds full potential

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

29．__________ when you are on the bus or bike．

：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（ ）。