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【单选题】
关于玻璃体的描述错误的是( )A.
为无色透明的胶状物
B.
具有折光作用
C.
如玻璃体混浊，临床称“飞蚊症”。
D.
透过角膜可看到玻璃体
E.
有支持视网膜的作用
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举一反三
【单选题】---How far is your home to your school? ---It _________ me about twenty minutes by bus.
A.
costs
B.
spends
C.
pays
D.
takes
【单选题】--_____does it take you to get to your school from your home? --About 20 minutes by bus.
A.
How about
B.
What time
C.
How long
D.
How far
【单选题】— ______ is it from your house to the bus stop? — About five minutes’ walk.
A.
How far
B.
How often
C.
How soon
D.
How long
【单选题】— ________? — I take a bus.
A.
How do you go to school
B.
Where is the bus stop
C.
How is your trip
D.
Where do you work
【单选题】- is it from your home to school? Ten minutes by bus.
A.
How long
B.
How many
C.
How far
D.
How much
【单选题】How did you ______ with your classmates?
A.
make out
B.
make up
C.
make off
D.
make up to
【单选题】—How does your father go to work? —He often go to work__________.
A.
takes a bus
B.
. takes bus
C.
by bus
【单选题】已知在T 1 到T 2 的温度范围内某化学反应所对应的∑n B C p , m (B) > 0 ,则在该温度范围内反应的△ r H ,则:( )。
A.
不随温度变化;
B.
随温度升高而减小;
C.
随温度升高而增大;
D.
与温度的关系无法简单描述。
【单选题】----_____ is it from your home to school? ---17 minutes’ by bus.
A.
How long
B.
How far
C.
How often
D.
How much
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