更多"Scientists once thought that men ar"的相关试题:
[单项选择]Scientists once thought that men are different from animals because ________.
A. they can think and learn
B. they can make tools
C. they can speak
[单项选择]A wise and frugal government shall _______ men from injuring one another.
A. refrain
B. restrain
C. abstain
D. restrict
[单项选择]Many meteorites are thought to have originated from _____ that once existed between the orbits of Mars and Jupiter.
A. ( where a planet or planets
B. ( a planet or planets so
C. ( which a planet or planets
D. ( a planet or planets
[单项选择]Some of the whites of Cuba thought one race of men is better than any other.
[单项选择]The Westinghouse Science Talent Search differs from traditional science contests in that ______.
A. it is an annual contest with the active participation of high school students
B. it lays emphasis on the professional quality of the projects
C. it is designed to search for the most promising students
D. it intends to find the best potential scientists
[单项选择]Statesmen are expert at delivering speeches in front of the public.
A. good
B. busy
C. comfortable
D. accustomed
[单项选择]How was the distance learning course different from traditional course
A. Students are not required to attend regular class lecture.
B. The professor videotapes class lecture for review.
C. Classes are held out at various locations throughout the area.
D. Students receive credit for work experience.
[单项选择]Vaccines for viral diseases are often produced from ______.
A. plant cells
B. human hormones
C. crop plants
D. bacteria
[单项选择]Commercial banks in China are now transferring from time traditional deposit taking and lending business to a broad range of intermediary services such as international settlement, bankcards, private banking, and financial consulting.
[单项选择]— Have you finished reading the books borrowed from the library — Yes, and I've returned them. Now ______ is left at home.
A. nothing
B. none
C. no one
D. neither
[单项选择]The project manager has just received a change from the customer that does not affect the project schedule and is easy to complete．What should the project manager do FIRST ？（）
A. Make the change happen as soon as possibl
B. Contact the project sponsor for permissio
C. Go to the change control boar
D. Evaluate the other components of the“triple constraint”．
[单项选择]Millions of people in the United States suffer from ______ back pain that comes from sitting too long at a desk.
A. chronic
B. casual
C. catastrophic
D. elastic
