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【单选题】
A zinc oxide-eugenol cement base is contraindicated for use with self-curing resin restorative materials because( )A.
the compressive strength of the cement is too low
B.
cement interferes with the polymerization of the resin
C.
zinc oxide and Bis-GMA form. a soluble compound
D.
the cement increases the polymerization shrinkage of the resin
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【简答题】制定我国《食品安全法》的根本目的是保障公众身体健康和生命安全，其前提是：（） A、保证食品安全 B、保障食品生产者利益 C、保护食品正常出口 D、严惩违法行为
【单选题】What is the topic of this speech?
A.
Measures to strengthen the contact between parents and schools.
B.
Measures to improve children’s behavior in school.
C.
Measures to strengthen teachers’ authority.
D.
Measures to protect teachers from false allegations against them.
【单选题】What is the purpose of this speech?
A.
to tell others about a winning philosophy
B.
to explain why the speaker's team never loses
C.
to persuade the audience to give up coaching
【简答题】What is the purpose of this speech?
【简答题】What is the theme of this speech?
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