From which field of science do we learn a lot about the planets？

A、Traffic light

B、Highway wireless telephone

C、The engines of buses

D、--

A.Input Processing

B.Contrastive Analysis Hypothesis

C.Interaction Hypothesis

D.Noticing Hypothesis

Which of the following is NOT true about nursing before Nightingale came in this field？

A．Most nurses were not professionally trained.

B．People only had respect for the nurses from the upper classes.

C．Nurses did not pay enough attention to sanitation.

D．There were little donations flowing into the hospitals.

A. Layer 2 TTL

B. Layer 3 TTL

C. Layer 3 source address

D. Layer 3 transport protocol

E. Layer 3 destination address

A. Layer 2 TTL

B. Layer 3 TTL

C. Layer 3 source address

D. Layer 3 transport protocol

E. Layer 3 destination address

A、涡旋电场来自于变化的电场； the vortex electric field is derived from A varying electric field;

B、涡旋电场来自于变化的磁场； the vortex electric field is derived from a changing magnetic field;

C、静电场来自于变化的电场； the electrostatic field is derived from a varying electric field;

D、静电场来自于变化的磁场； the electrostatic field is derived from a varying magnetic field;

M: Come on. The judge managed it and he wasn't an expert in the field either.

Q: Which of the following are the man and woman most likely studying？

(15)

A．Medicine.

B．History.

C．Law.

D．Accounting.

A．Maxwell’s equations can be applied in any medium

B．The magntic lines of time-varying field is diffenent from that of the static field

C．Static field equations can be seen as a special case of Maxwell’s equations

D．The electric lines of time-varying field is diffenent from that of the static field

Which is NOT the right thing to do during such an emergency？

A．Judge from the smoke to identify the safe place.

B．Drive the sheep or cattle to a field without grass.

C．Don't drive the cars away.

D．Go home immediately.