皮皮学，免费搜题
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【单选题】
酮体是下列哪一组物质的总称A.
乙酰乙酸、β-羟丁酸和乙酰CoA
B.
乙酰乙酸、β-羟丁酸和丙酮酸
C.
草酰乙酸、β-羟丁酸和丙酮
D.
乙酰乙酸、β-羟丁酸和丙酮
E.
草酸乙酸、β-羟丁酸和丙酮酸
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皮皮学刷刷变学霸
举一反三
【单选题】The enthusiastic physician takes part in all community services. ________, he often provides his medical service to the neighborhood.
A.
What’s worse
B.
On the contrary
C.
After all
D.
Apart from it
【多选题】94 )小明去商场购买手机配件,由于配件种类繁多,售货员做了详细的介绍,小明在销售人员建议下,购买了称心如意的手机配件。请问,该过程中,小明属于()消费者。
A.
半确定型
B.
随意型
C.
温顺型
D.
理智型
【单选题】He is so careless that he often _______ his school things at home. [ ]
A.
puts
B.
forgets
C.
takes
D.
leaves
【简答题】差动放大电路的四种连接方式分别是 ____、____、____和____。
【多选题】以下哪些方面属于有效处理客户抱怨的技巧?( )
A.
员工以平和的心态应对客户抱怨
B.
员工应该抱有个別客户抱怨无关大碍的心态，以减轻心理负担
C.
用真诚的微笑化解顾客的激愤情绪
D.
运用非语言方式与顾客进行沟通
E.
以拖延的方式应对顾客抱怨
【单选题】He often gets up very late. He _________ takes exercise in the morning.
A.
always
B.
usually
C.
hardly ever
D.
quite often
【单选题】How did Petra and her pupils communicate with each other?
A.
They used their heads.
B.
They used the phone.
C.
They used a headset.
D.
They chatted to each other.
【单选题】一Is your brother interested in art? 一Yes, he often ________ a lot of time ________．
A.
takes；painting
B.
spends；painting
C.
costs，to paint
D.
spends；to paint
【单选题】He often takes photographs, he is a _________
A.
writer
B.
street cleaner
C.
photographer
【单选题】He often takes this road to avoid ______ the troublesome boy.
A.
to meet
B.
meeting
C.
to meeting
D.
to have met
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