When we say that two objects have relative motion, we mean （

–– Jack: Mommy, when will we have dinner? I'm starving.

–– Mother:————————? We have to wait for daddy.

A: Quickly, honey

B: OK, honey

C: Soon, honey

D: All right, honey

A、that should reach

B、which should reach

C、when it reaches

D、which should arrive at

None of us called the police when the two cars collided, ____?

A didn’t we B don’t we C did we D do we

What does a CPI of 80% mean? ( ) .

A.As of now we expect the total pr gject cost of 80% more than planned

B.When the project is completed, we will have spent 80% more

C.Your project is only progressing at 80% of that planned

D.Your project is only getting 80 cents out of every RMB invested

According to the author, the reason why we go wrong about our friends is that ______.

A)we fall to listen carefully when they talk

B)people tend to be annoyed when we cheek what they say

C) people usually state one thing hut means another

D)we tend to doubt what our friends say

Ben: Mommy, when will we have dinner? I’m starving.

Mother: _______.We have to wait for daddy.

A: Quickly, honey

B: All right, honey

C: Soon, honey

D: O.K., honey

I should say that we two have nothing ____.

A、with common

B、in time

C、in common

D、in need

The sentence" We have people. . . down the road" ( Line 4, Paragraph 2)probably means

[ A] we have people calling us for parking space two years ahead of time.

[ B] people called us for permission to use the places two years ago.

[ C] we received calls from people down the road two years ago.

[D] people called us for school vacancies two years in advance.

The sentence "But we pay for our sensitivity." in the third paragraph implies that______.

A) we should pay a debt for, our feeling

B) we have to be hurt when We feel something

C) our pain is worth feeling

D) when we feel pain, we are suffering it

When the relative motion display is selected all tracked objects will display ______ vectors．

A.motion

B.stationary

C.dynamical

D.flashing