that
as
whom
which
第1题：
A、before
B、as
C、until#3after
第2题：
Bob: Henry, I'd like you to meet my friend, Lee Jones. Lee, this is Henry Fields, an old friend from college.
Henry: Hi, Lee.__________
A． Nice seeing you.
B． Good to be with you.
C． Nice to meet you.
D． Glad you are here.
第3题：
A.Cataching up the bus on your way of working
B.Robbing by highjack
C.Walking on an old, dangerous bridge
D.Meet a snake in a mountain
第4题：
A. who of
B. of them
C. of whom
D. from which
第5题：
While I_____ to the supermarket by bus, I_____ an old friend.
A. was going, met
B. went, met .
C. was going, was meeting.
第6题：
● Both bus and tree topologies are characterized by the use of multipoint （71）. For the bus, all stations attach, through appropriate hardware（72）known as a tap, directly to a linear transmission medium, or bus. Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the （73）. A transmission from any station propagates the length of the medium in both directions and can be received by all other （74）.At each end of the bus is a （75) , which absorbs any signal, removing it from the bus.
（71）
A. medium
B. connection
C. token
D. resource
（72）
A. processing
B. switching
C. routing
D. interfacing
（73）
A. tree
B. bus
C. star
D. ring
（74）
A. routers
B. stations
C. servers
D. switches
（75）
A. tap
B. repeater
C. terminator
D. concentrator
第7题：
A good friend of mine from I was born showed up at my home right before I left for Beijing．
A．howB．whom
C．whenD．which
第8题：
A、before
B、as
C、until
D、after
第9题：
The cup, which _____by him yesterday, was a gift from an English friend.
A. broke
B. was broken
C. broken
第10题：
The young man ______ teaches us English is from America.
A: whose
B: who
C: whom
D: which