Norman Blarney is an artist of deep convictions.()

单项选择题Her specialty is heart surgery().

A. region
B. site
C. field
D. platform

单项选择题The use of the chemical may present a certain hazard to the laboratory workers.()

A. protection
B. indication
C. immunity
D. danger

单项选择题Do you believe these two intimate friends used to be enemies()

A. bearable
B. internal
C. close
D. believable

单项选择题He has trouble understanding that other people judge him by his social skills and conduct().

A.style
B.behavior
C.mode
D.attitude

单项选择题It seems that only Mary is eligible for the job.()

A. prepared
B. trained
C. qualified
D. guided