爱华网Book 4 Unit 10
CAAAA DCCDB
DDCB DBDB BBC
CCC CDA DCA AAD
expected
tackling
low-carbon
promote
newly-formed
benefit
coopetaring
mining
But during the process of digging for coal, it is very easy to trigger mine gas explosions
But sister cities' bonding is more than business. And the cooperation can cross all kinds of fields The areas of cooperation include politics, economy and trade, culture, education, environmental protection and city construction
absorbed
exposure
survival
institutions
admitted
deficiency
compared
slightly
The analysis confirmed that the difference in mortality rates between the two groups was very unlikely to be due to chance
Sunlight is the main source of vitamin D, so it tends to be a winter problem when people spend much time indoors
There is accumulating evidence that we need vitamin D to help fight infections, as well as improve bone health
（两篇being都有，终于结束了！！！）
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