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【简答题】
Which of the following is not the requirement for matrix used in composites? A) Ability to adhere to the fibers B) Higher stiffness compared with reinforcement C) No significant chemical reaction between the two phases D) Thermochemical compatibility between the fibers and matrix material
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【单选题】单项选择。 There are three on the table. [ ]
A.
bottles of orange
B.
oranges of bottles
C.
orange of bottles
D.
bottles of oranges
【单选题】What's the most common runner's injury?
A.
Shin splints
B.
Runner's knee
C.
Achilles tendinitis
D.
Plantar fasclitis
【单选题】In the late afternoon, it is cold that our water bottles froze.
A.
as
B.
such
C.
so
D.
too
【简答题】听录音，选择你听到的句子。 ( ) 1. A. How many bottles of pop? B. How many bottles of water? ( ) 2. A. Would you like some tea? B. I'd like some tea. ( ) 3. A. Are you ready to order? B. Do you like pep...
【简答题】My daughter and I collected the empty cans and bottles in our home .this morning, We had 6 full garbage bags later so I knew we would be spending a bit more of time at the recycling center. When we go...
【单选题】There's a new scheme in our tow n for recycling plastic bottles .
A.
process
B.
plan
C.
proposal
D.
pretension
【单选题】"zhuang(庄)”这个音节
A.
由六个字母六个音位组成
B.
由六个字母三个音位组成
C.
由六个字母三个辅音音位两个元音音位组成
D.
由六个字母两个辅音音位两个元音音位组成
【单选题】After those scientists come, there's a new______ in our town for recycling plastic bottles.
A.
schedule
B.
scheme
C.
scout
D.
safeguard
【简答题】80% of ____ bottles go into the trash.This is very bad for our planet.
【单选题】Examining bottles of wine is hard work because ______.
A.
the bottles must be held upside down
B.
it is difficult to see the particles of dirt
C.
it requires high level of automatic
D.
most bottles are all right
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