本周总结：
纯生词：dwell, emerge, sauce, stinky, tofu, mayonnaise, irresistable, relish, dye, pro, con, scalp, obesity, diabetes, hypertension, beverage, precautionary, insomnia, mild, leisurely, habitual, toss, wink
词组/句型：
adapt to sth
dwell on sth
not get somebody anywhere
keep sb company
focus one's attention/mind on
emerge from sth
worse still
be curious about
be only too happy/glad/pleased to do
be good at doning/N.
do something with relish/gusto
on an empty/full stomach
pros and cons
make a big/great difference
have/get sth done
think twice about something
deal with
in turn
adopt/take measures
rather than V/doing,S+V
cut down on sth
suffer from
on schedule
toss and turn
not get a wink of sleep
fall victim to sth
either way
说明文中的常用语：
have its pros and cons
on the positive side
on the other hand
on the negative side
according to
in turn
therefore
first of all
next
last but not least
in a word
单词辨析：
Group1:offer, provide, supply
Group2:question, problem, matter, issue
Group3:reduce, decrease, diminish, lessen, dwindle
Group4:anxiety, worry, concern, care
Group5:cause, reason, ground, occasion