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【单选题】
下列哪种物质在紫外线照射下可转变为维生素D2（）。A.
脱氢胆固醇
B.
β-谷固醇
C.
麦角固醇
D.
胆固醇
E.
胆酸
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反馈参考答案：
举一反三
【单选题】What are employees instructed to do today?
A.
Visit the tech department
B.
Apply for overtime permission
C.
Disconnect electrical devices
D.
Turn their monitors off and on again
【简答题】形式美的基本要素包括( )、( )、( )、质、味。
【单选题】What does Mo Shapiro see as a problem for employees today?
A.
They lack the communication skills that modern business requires.
B.
Many employers would not regard requests for shorter hours favourably.
C.
Most employers do not want to be responsible for the professional development of staff.
D.
They have difficulties adapting to the rapid changes occurring in working practices.
【单选题】Bad news for bankers There was great uncertainty today about the future for employees of Lancet Bank following publication of (29) ...company's yearly financial results. Losses reached ￡8.5m, (30) ......
A.
the
B.
a
C.
any
【单选题】What can be inferred about today's employees in the workplace according to the passage?
A.
They are seldom doing part-time study.
B.
They may have trouble with work without further study.
C.
They usually do not get along well with one another
D.
They often frown due to pressure from work.
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