According to Chinese medicine, arthritis or rheumatism ____

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

Are you going to borrow a dictionary or a magazine ? -- ____.

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

Data items are added or deleted from the list only at the top of the______．

Dreams are often an elegant means of highlighting problems ______ in the present or the past.

：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（ ）。

______ are web sites that search the web for occurrences of a specified word or phrase.

Children who are not active or ______ diet is high in fat will gain weight quickly.

Some cable services offer 1.5 megabyte or higher access for as ______ as $40 a month, but there are some restrictions regarding service.