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【单选题】
下列不属于碳原子成键特点的是 ( )A.
易失去最外层的电子形成离子
B.
最外层电子易与其他原子的外层电子形成共用电子对
C.
有单键、双键和叁键等多种成键形式
D.
每个碳原子最多与其他原子形成 4 个共价键
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反馈参考答案：
举一反三
【单选题】My car is covered with thick snow and now the engine simply ______ start.
A.
can’t
B.
mustn’t
C.
won’t
D.
shan’t
【判断题】Value chain analysis can enable a firm to better identify its own strengths and weaknesses especially as compared to competitors' value chain analyses.
A.
正确
B.
错误
【简答题】一应变片的电阻 R=120Ω , K=2.05 ,用作应变为 800μm/m 的传感元件。 (1) 求△ R 与△ R/R ; (2) 若电源电压 U i =3V ,求电桥的非平衡输出电压 U 0 。
【判断题】At the conclusion of the internal analysis, firms must identify their strengths and weaknesses in resources, capabilities, and core competencies.
A.
正确
B.
错误
【单选题】_____ his arrival at the village of the crows, he found his at the point of death.
A.
Upon
B.
Above
C.
Beyond
D.
Within
【简答题】I ______________ his arrival at four o'clock. (预计)
【判断题】SWOT analysis is a planning exercise in which managers identify external environmental strengths and weaknesses.
A.
正确
B.
错误
【单选题】He ____ a boy informing his mother of his secure arrival.
A.
asked
B.
delieved
C.
sent
D.
appointed
【简答题】SAP假时，（）真假不定A. 并非SAPB. SEPC. SIPD. SOP
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