A.knowledge
B.accident
C.miserable
D.reaction

A.overwhelming
B.optimistic
C.intellectual
D.incredible

A.address
B.control
C.generous
D.pagoda

A.pleasure
B.optimistic
C.guaranty
D.sanguine

According to the passage, what kind of signal has long periods of light that are regularly broken by two or more periods of darkness?
A.Flashing
B.occulting
C.Group occulting
D.Group flashing

Which of the following is NOT mentioned in the passage as one of the functions of lighthouses?
A.To notify sailors that bad weather is approaching
B.To indicate that land is near
C.To warn of danger from rocks and reefs
D.To help sailors determine their location

He doesn't seem to be successful ____hard he works.
A.whatever
B.but
C.however
D.although

We've decided to interview only ten ___ for the job .
A.appliances
B.applicable
C.applicants
D.applications

Is there somewhere I can _______ this jumper?
A.look over
B.try out
C.try on
D.look out

- "How do you like your steak done?"
- "_______________ "
A.Just a little
B.Yes, I do
C.Not much
D.Well done