【单选题】
Please drop in whenever you can.. I’d like to keep _________ touch..
①
in
②
to
③
on
④
with
【单选题】
25. 李某，男，32岁。左下腹痛伴脓血便2个月，多次大便细菌培养阴性，结肠镜检查示直肠至乙状结肠大小不等的溃疡形成。与本病情最相符的疾病是
①
克罗恩病
②
结肠癌
③
伤寒
④
肠结核
⑤
溃疡性结肠炎
【单选题】
Some famous singers live on the ____ from their record sales.
①
salary
②
price
③
bill
④
income
【单选题】
Some famous singers live on the _______from their record sales.
①
：salary
②
：price
③
：bill
④
：income
【单选题】
Mother told Rose to buy some sugar in the supermarket
and_____.
①
she did so
②
so she did
③
so did she
④
she did such
【单选题】
Under this ____ pressure some of the rocks
even became liquid.
①
intensive
②
weighty
③
intense
④
bulky
【单选题】
The classroom is quite clean ____ some waste paper on the floor.
①
without
②
besides
③
except
④
except for