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【单选题】
下列陶瓷材料中, 具有生物可吸收性的是A.
羟基磷灰石陶瓷
B.
玻璃陶瓷
C.
长石质陶瓷
D.
磷酸三钙陶瓷
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【单选题】It was not until the ____ century that hotels as we know them developed.
A.
17th
B.
18th
C.
19th
D.
20th
【简答题】The existence of microorganisms was hypothesized for many centuries before their actual discovery. They were supposed to live in earth, water, and air, and cause serious diseases. It was not until the...
【单选题】听力原文：M: I like the way you've done your hair, dear. It looks so natural and original. W: Thank you. I'm surprised you noticed it though. I spent the whole morning in the hair salon, and I really didn'...
A.
The husband went to the hair salon with his wife.
B.
The wife is annoyed at her husband's complaint.
C.
The husband is not usually so observant.
D.
The wife is going to the hairdresser's.
【单选题】It was not until last July_______ we started to distribute e-readers and launched an e-book store.
A.
that
B.
who
C.
which
D.
whom
【单选题】It was not until yesterday ________ they decided to re-open the business talk. （17-06-31）
A.
catch
B.
which
C.
that
D.
as
【简答题】钢中硫和氧的含量超过限值时,会使钢材
【判断题】While the tradition of drinking tea dates back to more than 3,000 BC in China, it was not until the mid 17th century that the concept of “afternoon tea” first appeared in the UK.
A.
正确
B.
错误
【简答题】It was not until 1835 however that the phenomenon (give) _______ a name.
【简答题】The company would not cooperate with the OFT until it was told that its name would appear on a warning list for the public.
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