The word unreliable consists of _____ syllables as against _____ morphemes.A.four／three

A.refer to

B.add to

C.keep to

D.point to

The postal () is very unreliable in this country because postmen are constantly on strike.

A. information

B. service

C. management

D. protection

A.changing

B.smart

C.unreliable

D.stable

A．generally unreliable

B．generally reliable

C．meaningless

D．misleading

A large part of the Iraqi people hold information about weapon hidings as _____

［A］ fear-inspired

［B］ money-driven

［C］ unreliable

［D］ sophisticated

On the approach of a warm front the barometric pressure usually ______.

A.falls

B.rises

C.is steady

D.is unreliable

A unreliable nature of the ignition system

B very expensive and not efficient enough

C no spark plug is used

D high fire risk caused by petrol

According to the passage, DNA fingerprinting can be unreliable when ______ .

A．the methods used of blood cell calculation are not accurate

B．two different individuals of the same ethnic group may have the same DNA fingerprinting pattern

C．a match is by chance left with fingerprints that happen to belong to two different individuals

D．two different individuals leave two DNA samples

The short story “A Piece of Yellow Soap” is told by _____.

A.a naïve narrator

B.an objective narrator

C.an omniscient narrator

D.an unreliable narrator

Not only() many cars built in the 1970s ugly and poorly designed, they also became very unreliable after 4050 thousand miles.

A. was

B. are

C. were