Leave the reference books behind, __________ you won' t be able to think independently.

A.Demodulation reference signal for PUSCH 　　

B.Phase-tracking reference signals for PUSCH 　　

C.Demodulation reference signal for PUCCH 　　

D.Sounding reference signal 　　

On no account______ be removed from the library.

A．reference books may

B．may reference books

C．can't reference books

D．reference books can

One of the main functions of the Reference Department is to ______.

A．consult students about the books required for their studies

B．provide work for students in the library

C．provide books for students to consult

D．test students' ability to use the resources in libraries

A．concerned

B．available

C．related

D．flexible

A.reference

B.refreshments

C.refrigerator

I ______ my teacher to write a reference letter to me if I see him.

A．have asked

B．ask

C．will ask

D．asked

A.reference

B.references of

C.references to

D.refer to

Contemporary artists choose subjects______.

A. without reference to the character of their subjects

B. that only provide an interesting pattern

C. that there is no meaning in it

D. partly for the meaning of the subjects

They came to inspect the house ______ buying it.

A．in the event of

B．with a view of

C．with reference to

D．on account of