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【简答题】
在平面直角坐标系xOy中，以Ox为始边，角α的终边与单位圆O的交点B在第一象限，已知A（-1，3）． （1）若OA⊥OB，求tanα的值． （2）若B点横坐标为 4 5 ，求S △AOB ．
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【单选题】Consider the following dialogue: Hokey: I know that I will go to Heaven when I die. Pokey: How do you know that? Hokey: Because my cleric tells me that I will. Pokey: How do you know that what you...
A.
begging the question.
B.
equivocating.
C.
sliding down a slippery slope.
D.
all of the above
E.
none of the above
【单选题】Chevron is capitalized ______.
A.
because it is the name of a company.
B.
because it is one party to a law case.
C.
because it is the title of a book.
D.
because it is the title of a scholarly article.
【单选题】Chevron has challenged the fine, arguing that lawyers and supporters of the indigenous groups who brought the case conspired to________evidence.
A.
grind out
B.
manufacture
C.
churn out
D.
fabricate
【简答题】Chevron
【单选题】Consider the following dialogue: Hokey: I know that I will go to Heaven when I die. Pokey: How do you know that? Hokey: Because my cleric tells me that I will. Pokey: How do you know that what you...
A.
begging the question.
B.
equivocating.
C.
sliding down a slippery slope.
D.
A ll of the above .
E.
N one of the above .
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