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【单选题】
能用NaOH滴定液直接滴定,并且有两个滴定突跃的酸为A.
H 2 C 2 O 4 (K a1 =6.5×10 -2 ,K a2 =6.1×10 -5 )
B.
乳酸 (K a =1.4×10 -4 )
C.
邻苯二甲酸 (K a1 =1.3×10 -3 ,K a2 =3.9×10 -6 )
D.
水杨酸 (K a1 =1.07×10 -3 ,K a2 =4×10 -14 )
E.
顺丁烯二酸 (K a1 =1.42×10 -2 ,K a2 =8.57×10 -7 )
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举一反三
【单选题】翻译:This company is well-established and reliable.
A.
这家公司修建地很好也很可靠
B.
这家公司有口皆碑,很可靠。
C.
这家公司建造地很豪华,也很安全。
D.
这家公司修地既漂亮又牢固。
【简答题】The company has earned a good re______ for being faithful and reliable.
【单选题】听力原文：M: Now could you tell me what makes you apply for this post? W: Well, the reliable reputation of your company attracts me most. Then, I know you offer good opportunities for promotion for the rig...
A.
The woman is indifferent to the company's reputation.
B.
The woman majors in human resources.
C.
The woman is asking for a promotion.
D.
The woman is applying for a job.
【简答题】The company has earned a good re______ for being faithful and reliable.10．The company has earned a good re______ for being faithful and reliable.
【单选题】下列二副在航海图书资料管理方面的职责,有误的是
A.
负责管理填写“航海仪器和航海图书资料清册”
B.
航次结束后,应立即擦去海图作业
C.
需作为海事证明的海图作业,应交船长妥善保管备查
D.
尽可能从船公司领取所需海图
【单选题】Perhaps the most reliable way for a company to improve its financial performance over time is to
A.
put 100% emphasis on the achievement of its short-term and long-term financial objectives.
B.
recognize that the achievement of strategic objectives fosters better long-term financial performance.
C.
not allocate any resources to the achievement of strategic objectives until it is very clear that the company can meet or beat its stretch financial performance targets.
D.
avoid use of the "balanced scorecard" philosophy since achievement of financial performance targets is obviously more important than achievement of strategic performance targets.
【单选题】I have heard from reliable ________ that the company is in trouble.
A.
sources
B.
resources
C.
origins
D.
results
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