1m3自然状态下的某种材料，质量为2100kg，孔隙率为25%，其密度为（)g/cm3。A．2.4B．2.8C．1.6D．2.1

Which of the following is NOT given as an example of actions？

A．Silence

B．A wink

C．Television

D．A handshake

Which of the following actions cannot influence climate？

A．Physical actions on land and in the oceans.

B．Physical actions in the atmosphere.

C．Physical actions in the space.

D．Physical actions in the groundwater.

Which of the following actions cannot influence climate？

[A] Physical actions on land and in the oceans.

[B] Physical actions in the atmosphere.

[C] Physical actions in the space.

[D] Physical actions in the groundwater.

Which of the following actions may NOT be considered as a way of non-verbal communication？

23 Which of the following actions is an example of risk response:

A. adjust project parameters (scope, time, quality ...)

B. reduce the probability of potential project risk events C. reduce the consequences of potential project risk events

D. wait until a problem actually happens, then deal with it in the most effective and efficient manner.

E. A, B and C only

105 Which of the following actions is an example of risk response:

A. adjust project parameters (scope, time, quality ...)

B. reduce the probability of potential project risk events

C. reduce the consequences of potential project risk events

D. wait until a problem actually happens, then deal with it in the most effective and efficient manner.

E. A, B and C only

Which of the following is an example of overgeneralization？

A.eyes

B.ears

C.sheep

D.foots

Which of the following is NOT given as an example of a qualitative variable？

A．Gender.

B．Height.

C．Type of personality.

D．College major.

Which of the following would NOT be an example of the topics in the poems？

A．An eel.

B．Human burden.

C．Vetch.

D．Ritual of daily things.

Which of the following is an example of clipping

A．APEC.

B．Motel.

C．Xerox.

D．Disco.