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【单选题】
When speaking from a manuscript, you shouldA.
practice aloud to make sure the speech sounds natural.
B.
be certain the final manuscript is legible at a glance.
C.
work on establishing eye contact with the audience.
D.
all of the above.
E.
a and b only.
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举一反三
【单选题】_______ advantages and disadvantages, Mr. Smith decided to leave the company and go to the west to try his fortune.
A.
Having compared
B.
Having balanced
C.
Having observed
D.
Having examined
【简答题】假设一棵完全二叉树共有500个结点，则在该二叉树中有【 】个叶子结点。
【单选题】Mr. Thomas decided to talk with his staff because _____.
A.
he wanted to give everybody a good impression
B.
he wanted everybody to know how he hated to hear people complain
C.
other employees might feel the same way as Linda
【单选题】—Are you Mr. Thomas Green? —Yes, but you'd better call me Mr. _____ or _____ for short. [ ]
A.
Thomas; Green
B.
Tom; Green
C.
Green; Tom
D.
Green; Thomas
【单选题】Could I have a(n) ______ word with you, Mr. Thomas? It won’t take up too much of your time.
A.
honest
B.
straight
C.
simple
D.
brief
【简答题】设一棵完全二叉树共有500个结点，则在该二叉树中有（ ）个叶子结点。
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