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【单选题】
Only through the shared language 查看材料A.
that of a speech community
B.
can a speech community be formed
C.
in order to learn English better
D.
for the sake of simplicity
E.
has played an important role in the field of education
F.
is widely used in several areas of public activity
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皮皮学刷刷变学霸
举一反三
【单选题】What does Peter think of Italian restaurants?
A.
The food has too much oil.
B.
They serve too much.
C.
The food has too much-sauce,
D.
They serve little food.
【单选题】The food they serve at Frère Jacques is absolutely __________.
A.
convenient
B.
cosy
C.
delicious
【简答题】请你阅读：我国是世界上开采石油、天然气最早的国家，天然气的主要成分为甲烷（CH 4 ）．甲烷是一种无色无味的气体，难溶于水，密度比空气小，是居民广泛使用的一种清洁高效的燃料．请回答： （1）甲烷的物理性质是______； （2）甲烷的化学性质是______．
【简答题】Len says that the food they serve at Fisherman's Wharf is than the food in any restaurant in New York.
【单选题】The food they serve at Hubin Hotel is absolutely __________.
A.
convenient
B.
cosy
C.
delicious
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