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【单选题】
Tuition and fees at a state university are $5,000 per year. If Sarah starts college this year she must quit her $25,000 per year job. Tyler is unemployed and also thinking of going back to school. Based on this information, which of the following is correct?A.
The opportunity cost of attending the university is the same for each student.
B.
Sarah's opportunity cost of attending the university is greater than Tyler's opportunity cost of attending the university.
C.
Tyler would be more likely to attend the university if he suddenly found a full-time job.
D.
Tyler's opportunity cost of attending the university is greater than Sarah's opportunity cost of attending the university.
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【简答题】若 17 的整数部分为x，小数部分为y，则 x 2 + 1 y =______．
【单选题】Task Two - Responses &8226;For questions 18--22, match the extracts with the responses, listed A-H. &8226;For each extract, decide which response the company made to the problem. &8226;Write one lette...
B.
New shares were issued.
C.
A takeover bid was accepted.
D.
Low-cost products were introduced.
E.
A partnership abroad was formed.
F.
One division was sold off.
G.
Some products were rebranded.
H.
A cost reduction programme was introduced.
【简答题】甲烷和氯气在光照的条件下发生的反应属于（ ）
【简答题】若 6- 的整数部分为 x ,小数部分为 y ,则 (2 x + ) y 的值是 ( ) .
【单选题】What did the Little Albert Experiment tell us about the relation between stimuli and responses?
A.
Responses to stimuli cannot be conditioned
B.
Responses to stimuli can be conditioned
C.
Conditioned responses can be eliminated
D.
Conditioned responses cannot be eliminated
【判断题】The phytochrome responses are often divided into two types: Inductive (or photoreversible) responses and High Irradiance Responses (HIR).
A.
正确
B.
错误
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