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【简答题】
设 是数列 的前 ,若 是非零常数,称数列 为“和等比数列”。(1)若数列 是首项为2 ,公比为4的等比数列,则数列 (填“是”或“不是”) “和等比数列”; (2)若数列 是首项为 ,公差为 的等差数列,且数列 是“和等比数列”,则 与 之间满足的关系为
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【多选题】What does the word “charity” mean to you?
A.
Providing help or relief to the poor and needy.
B.
Benevolence or generosity toward others and toward humanity.
C.
An organization that facilitates charity benefiting people in need.
D.
The act of giving our money, time or resources to others without expecting a reciprocation or a direct return.
【简答题】Mary realized she _______A. was playing o joke about B. was fun C. was being made fun of D. was made fun
【简答题】Word Bank idiom n. flog v. 鞭打 skeleton n. 骨骼
【单选题】Mary realized she _________.
A.
was making fun of
B.
was made fun
C.
was being made fun of
D.
was being made fun
【多选题】股票指数期货交易的特点有( )。
A.
以现金交收和结算
B.
以小博大
C.
套期保值
D.
投机
【单选题】It was only after she had read the papers _______ Mary realized the homework before her was extremely difficult to complete.
A.
when
B.
that
C.
which
D.
what
【单选题】When Mary was in hospital, the couple realized that______.
A.
they had to put their plan into practice
B.
health was more important than wealth
C.
heart trouble was a serious illness
D.
they both needed to stop working
【判断题】晶体管电压调节器具有重量轻、体积小、寿命长、可靠性高和工作不产生火花的优点,但调节精度不高。()
A.
正确
B.
错误
【简答题】Word Bank return n. 利润;收益 vocational a. 职业的 mismatch n. 不匹配
【单选题】Mary realized she ____________.
A.
Was playing a joke about
B.
Was making fun
C.
Was being made fun of
D.
Was made fun
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