吸入性肺脓肿多发生于右肺最主要的原因是A.右主支气管较细B.右主支气管较短C.

Compassion is a great respecter of justice: we pity those who suffer______.

A．shamelessly

B．unwittingly

C．vicariously

D．undeservedly

Research has shown that__________

A． dropouts are substantially below PhD's in financial attainment

B． the incentive factor is a minor one in regard to pursuing PhD studies

C． the PhD candidate is likely to change his field of specialization if he drops out

D． about one-third of those who start PhD work do not complete the work to earn the degree

If you can't put your PC ______ good use, sell it to those who really need it.

A．into

B．of

C．to

D．with

We all thought______that the football match should have been put off.

A．it a pity

B．it pity

C．what a pity

D．a pity is

Ifyou can' t put your PC______________good use, sell it to those who really needit.

A. into

B. of

C. to

D. with

We all thought______that the football match should have been put off.

A．it a pity

B．it pity

C．what a pity

D．a pity is

A．On, mark

B．For, write

C．In, put

D．With, add

A．in, put

B．on, marked

C．with, added

D．for, written