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【简答题】
Describe some of the tradeoffs faced by the following: a. a. family deciding whether to buy a new car b. a member of Congress deciding how much to spend on national parks c. a company president deciding whether to open a new factory d. a professor deciding how much to prepare for class
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举一反三
【简答题】2, As is known to all, China remains a developing country in many ways in spite of her rapid economic development.
【单选题】_______all her efforts, she failed the College Entrance Examination. [ ]
A.
In spite of
B.
In order to
C.
Regardless of
D.
On account of
【简答题】What does “ she had a job to do ” (Para. 1) mean according to the context? (1.0分)A. She had a regular job in the store. B. She wanted to ask for help. C. She wanted to buy a DVD. D. She was thinking o...
【单选题】What does a navigator who uses an ECDIS require? ____
A.
Good navigational knowledge and a professional job attitude
B.
Good computer knowledge
C.
Good system knowledge
D.
Nothing special
【多选题】K 2 Cr 2 O 7 法测定铁矿石中铁含量时,加入 H 2 SO 4 -H 3 PO 4 混酸的作用是
A.
增加溶液酸度
B.
增大滴定突跃范围
C.
消除 Fe 3+ 黄色对终点观察的影响
D.
降低 Fe 3+ \ Fe 2+ 电对的电位
【单选题】In spite of all effort the doctors had done, her burns refuse to ________.
A.
heal
B.
revive
C.
recover
D.
survive
【简答题】She failed to __________ (lock) the safe in spite of all her efforts, so she asked him to help her open it.
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