更多"It has been proved all of the follo"的相关试题:
[单项选择]Doctors have proved the following EXCEPT that ______.
A. smiling does good to health
B. laughter can be tolerated
C. there is a way to reduce pain
D. laughter can work the muscles in the feet
[单项选择]The British Parliament has all powers except the right to_______ .
[单项选择]Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?（）
A. REVOKE DROP ON t1 FROM PUBLIC
B. REVOKE UPDATE ON t1 FROM PUBLIC
C. REVOKE DELETE ON t1 FROM PUBLIC
D. REVOKE CONTROL ON t1 FROM PUBLIC
[单项选择]The prisoner has been ______of many privileges that average citizens enjoy.
A. ensured
B. informed
C. deprived
D. convinced
[单项选择]Cloning has been criticized for all the reasons EXCEPT ______.
A. usefulness in genetics
B. premature aging
C. its effects on the experimental animals
D. safety reasons
[单项选择]What has NOT been controlled at all as regards water pollution
A. Industrial polluters.
B. Sewage.
C. Rain runoff.
D. Toxic substances.
[单项选择]It has been determined that print jobs from an application are not being removed from the system after they have been printed. To remove these jobs from the /var/spool directory, which cron entry will remove files more than 7 days old?（）
A. find /var/spool/lpd/qdir -mtime -7 -type f -exec rm -f {}/
B. find -name /var/spool/* -f rm {}/
C. find -name /var/spool/lpd/* -exec rm {}/
D. find /var/spool/lpd/qdir -mtime +7 -type f -exec rm -f {}/
[单项选择]Not all the milk powder has been sufficiently tested for safety．
A. 所有的奶粉都未进行必要的安全检查。
B. 所有的奶粉都未必进行充分的安全检查。
C. 并非所有的奶粉都进行了必要的检查。
D. 并非所有的奶粉都经过了充分的安全检测。
[单项选择]The situation in Africa has changed so rapidly that this map is already _______
A. up to date
B. out of date
C. out of place
D. out of sight
[单项选择]It has been decided that all the students ______ stay in the classrooms even on Saturday evenings in case they go to Internet bars.
A. must
B. can
C. need
D. shall
[单项选择]My nephew has been to Iraq and Iran as well as all of Europe. By the time he's twenty-five, he ______ almost everywhere.
A. will be
B. will have been
C. would have been
D. would be
[单项选择]When we watch a play or a film, we all realize that the characters are sometimes
A. imaginative
B. imaginable
C. imagined
D. imaginary
[单项选择]The examination has been cancelled. You _____ all that revision, after all.
[单项选择]Mr. Ralph has just received an invitation from that university to join ______ as a full professor.
A. association
B. committee
C. community
D. faculty
