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【多选题】
和逻辑式(AB)′ 表示相同逻辑关系的逻辑式有( )。A.
A′＋B′
B.
A′·B′
C.
A′·B＋B′
D.
AB′＋A′
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【简答题】After a hard campaign, Barack Obama won the US president election on November 4. He will become the 44th President of the United States---the first African-American in the country’s history. On the el...
【单选题】s型分油机自动控制系统的组成系统执行一次分油任务的正确操作顺序是___。1启动分油机马达2启动加热器3检查燃/滑油油路4启动油泵5启动EPC-50控制程序
A.
① -②-③-④-⑤
B.
② -④-①-②-⑤
C.
③ -④-①-⑤-②
D.
④ -④-①-②-⑤
【简答题】新规定将在几天后 生效 。 The new rules will become ____________ in the next few days.
【单选题】Why will the days of spoken communication (语言交际) become a thing of the past? (第 6 段中间部分)
A.
Because people will no longer need （不再需要） spoken languages to communicate.
B.
Because spoken languages are very noisy ( 吵闹 )
C.
Because spoken languages waste time （浪费时间）
D.
Because people will not like spoken languages any more （不喜欢）
【简答题】'Sustainability' has become a popular word these days, but to Ted Ning, the concept will always have personal meaning. Having endured a painful period of unsustainability in his own life made it clear...
【单选题】病原体分离的方法为:( )
A.
取标本血培养,涂片染色鉴定
B.
取标本骨髓培养,涂片染色鉴定
C.
取标本大便培养,涂片染色鉴定
D.
取标本接种于小白鼠腹腔内,涂片染色鉴定
E.
取标本小便培养,涂片染色鉴定
【单选题】恙虫病病原体分离的方法为( )
A.
取标本血培养,涂片染色鉴定
B.
取标本骨髓培养,涂片染色鉴定
C.
取标本大便培养,涂片染色鉴定
D.
取标本小便培养,涂片染色鉴定
E.
取标本接种子小白鼠腹腔内,涂片染色鉴定
【单选题】As days go on, I think that Beijing will become ______ the whole world pay close attention to.
A.
where
B.
what
C.
which
D.
that
【简答题】effect effective effectively A.The advertising campaign (广告宣传活动) didn't have much _____ on sales. B.The new rules will become _____ in the next few days. C.The public should be educa...
【单选题】恙虫病病原体分离的方法为（ ）
A.
取标本血培养，涂片染色鉴定
B.
取标本骨髓培养，涂片染色鉴定
C.
取标本大便培养，涂片染色鉴定
D.
取标本小便培养，涂片染色鉴定
E.
取标本接种于小白鼠腹腔内，涂片染色鉴定
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