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【单选题】
In ancient times and in the Middle Ages people shaped and polished gems to make them round and ________.A.
shiny
B.
rectangular
C.
colorful
D.
valuable
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举一反三
【单选题】船舶生活污水物理化学处理装置的主要组成为（）。
A.
固液分离器，消毒供药装置，絮凝沉淀箱，清水排出和污泥返送装置，污泥箱等
B.
沉淀柜，消毒柜，排液装置等
C.
渗透膜，高压泵，反冲液，排液阀等
D.
沉淀柜，污泥柜，焚烧炉等
【单选题】— I’d like to invite you to our party this weekend. — Thank you, but _________I’ll have time I’m not sure at the moment.
A.
whether
B.
what
C.
when
D.
that
【单选题】I’ll invite you to my new flat as soon as I finish ________ it.
A.
decorating
B.
decorate
C.
to decorate
D.
decorated
【单选题】船舶生活活污水物理化学处理装置的主主要组成为( )。
A.
固液分离器,消毒供药装装置,絮凝沉淀箱,清水排出和污泥返送装置,污泥箱等
B.
沉淀柜,消毒柜,排液装置等
C.
滲透膜,高压泵,反冲液,排液阀等
D.
沉淀柜,污泥柜,焚烧炉等
【单选题】A: Have you got any idea what you’ll buy for Betty’s birthday? B: Well, I haven’t decided yet. Probably I’ll invite her to watch the movie Zootopia, you know, she likes it so much. What gift wil...
A.
A bag.
B.
A music record.
C.
A film ticket.
【单选题】I’ll invite you to come to Weihai ________ you are free next week.
A.
.if
B.
where
C.
so that
D.
.why
【单选题】船舶生活活污水物理化学处理装置的主要组成为 。
A.
固液分离器,消毒供药装装置,絮凝沉淀箱,清水排出和污泥返送装置,污泥箱等
B.
沉淀柜,消毒柜,排液装置等
C.
滲透膜,高压泵,反冲液,排液阀等
D.
沉淀柜,污泥柜,焚烧炉等
【单选题】—I’d like to invite you to my birthday party this evening. —Thanks, but ____ I’ll have time I’m not sure at the moment.
A.
while
B.
whether
C.
if
D.
when
【单选题】— I d like to invite you to a party this evening. — Thank you, but _____ I’ll be free I m not sure at the moment.
A.
while
B.
if
C.
when
D.
whether
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