Which of the following does NOT specifically fall into the service scope of Sceen blast
A. Enabling users to participate.
B. Enabling users to experience.
C. Enabling users to be a creator.
D. Enabling users to call to action.
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由于新生儿肝药酶不足而易诱发灰婴综合征的药物是（）
A. 万古霉素
B. 喹诺酮类
C. 磺胺类
D. 氯霉素
E. 四环素
It is absurd that one ______ possess two freezers in the room.
A. should
B. could
C. ought to
D. is to
Some young men ______ strongly of cohabitation with a shared life without a shared background.
A. disagree
B. disapprove
C. are opposed
D. object
Congressional leaders have to work out a compromise because ______
A. a similar bill has been passed
B. the President might oppose the plan
C. the White House is facing opposition
D. the Senate bill was passed for the stage
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