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【简答题】
9 设有如下语句,请用相应的谓词公式分别把它们表示出来: (1) 有的人喜欢梅花, 有的人喜欢菊花, 有的人既喜欢梅花又喜欢菊花。 (2)有的人每天下午打篮球。 (3)新型计算机速度又快,存储容量又大。 (4)不是每个计算机系的学生都喜欢在计算机上编程序。 (5)凡是喜欢编程序的人都喜欢计算机。 2.17 请把下列命题用一个语义网络表示出来: (1)草都是植物。 (2)草和根。 (3)水草是草,且生长在水中。 (4)果树是树,且会结果。 (5)梨树是果树中的一种,它会结梨。
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举一反三
【单选题】While birth plans were perfectly sensible, only one seemed ______ in China's Particular situation.
A.
useful
B.
feasible
C.
available
D.
desirable
【单选题】According to the passage, what is PTK used to?
A.
To locate one's birth place.
B.
To promote genetic research.
C.
To find out if one is the father of a child.
D.
To help improve one's intelligence.
【简答题】PTK is used to __________. [A]locate one’s birth place [B]promote genetic research [C] identify parent-child kinship [D] choose children for adoption
【单选题】PTK is used to ______.
A.
locate one's birth place
B.
promote genetic research
C.
identify parent-child kinship
D.
choose children for adoption
【简答题】Passage One The exact year of Christ's birth is not recorded, but the calendar began on the supposed date divides time into B.C. (before Christ) and A.D. (in the year of our Lord). Nor was the exact d...
【单选题】Diego Chiapello, legally blind since birth, isn't one of Italy's famous 'mama's boys' who live with their parents into adulthood. The 27-year-old lives alone in Milan, works as a network administrator...
A.
Ordinary.
B.
Optimistic.
C.
Dependent.
D.
Desirable.
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