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【简答题】
l Rewrite the following sentences by following the Three Cs Principles of business writing. 1. He went to the fair for the purpose of finding a partner. 2. We plan to give consideration to the idea at the meeting... 3. It is necessary that the project be finished by next month. 4. We are in receipt of the letter you sent to us on May 20. 5. It is known that we must reduce the labor force by 20 percent in order to cut the cost. 6. We wish to let you know that we fully appreciate the confidence you reposed in us. 7. The course will be of benefit him in his accounting work. 8. It is not the desire of this firm not to allow its young engineers to assume some responsibility. 9. Mail your payment at once. 10. Perhaps you could afford to run a store that way, but we cannot.
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【简答题】You are a pupil. Is _____ brother a pupil, too? ( you )
【多选题】中国药典重金属检查法中,所使用的显色剂是
A.
硫化氢试液
B.
硫代乙酰胺试液
C.
硫化钠试液
D.
氰化钾试液
E.
硫氰酸铵试液
【单选题】有8个顶点的有向完全图有()条边。
A.
56
B.
28
C.
14
D.
112
【简答题】(1)什么是有向图、如何表示? (2)什么是完全图、如何表示? (3)什么是简单图? (4)有向完全图和无向完全图的边数分别是多少? (5)什么是简单路径? (6)若一个图G'=(V',E')是另一个图G=(V,E)的子图,则需要满足的条件是什么? (7)两个顶点互为邻接点的条件是什么? (8)无向图和有向图顶点的度如何表示?它们各顶点度之各与边的关系是什么? (9)解释连通图及连通分量,强连通图...
【单选题】Pupil (student) and pupil (of eye) are known as ____ .
A.
synonyms
B.
complete homonyms
C.
homographs
D.
homophones
【简答题】What are many British companies now struggling for?
【单选题】The pupil
A.
lies in the center of sclera
B.
controls the amount of light reaching the retina
C.
is decreased in size by the dilator pupillae
D.
is dilated by the sphincter pupillae
E.
is black
【单选题】( 5 ) 有 8 个顶点的有向完全图有 ( ) 条边。
A.
14
B.
28
C.
56
D.
112
【简答题】__________。 [A]competing [B] struggling [C] fighting [D] contending
【简答题】[A] required [B]struggling [C] willing [D] guided
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