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【单选题】
多模光纤采用的是哪种光源A.
红外线
B.
蓝光
C.
LED
D.
激光
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反馈参考答案：
举一反三
【简答题】A．The woman thinks Mr. Saunders is asking for more than they can offer. B．Mr. Saunders will share one third of the woman's responsibilities. C．Mr. Saunders believes that he deserves more paid vacation...
【简答题】被认为是Internet的前身。
【单选题】They can offer_____.
A.
European qualifications
B.
the high school diploma
C.
the International Baccalaureate
D.
All the above
【简答题】A．The woman thinks Mr. Saunders is asking for more than they can offer. B．Mr. Saunders will share one third of the woman's responsibilities. C．Mr. Saunders believes that he deserves more paid vacation...
【单选题】Thank-you notes are important in that they can Offer you a job opportunity.
A.
Y
B.
N
C.
NG
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