【单选题】导线的电阻为 4 Ω,今把它均匀地拉长到原来的 2 倍,电阻变为( )Ω。
【简答题】简述八大对中国社会主义改造完成后,国内的主要矛盾和主要任务的分析。
【单选题】What can be inferred from what House Speaker Nancy Pelosi said?
A.
The healthcare reform. has realized the final accomplishments.
B.
President Obama praised progress on the healthcare issue.
C.
All the Americans will be happy about the healthcare reform.
D.
Americans have been dominated by the health insurance industry.
【简答题】简述八大对中国社会主义改造完成后,国内的主要矛盾和主要任务的分析。
【单选题】----What would you like for your birthday ? What about an MP5? ----Oh, to tell the truth, I ______ have an I-Pad than an MP5.
【单选题】大众锐途----物有所值, 沃尔玛----天天低价,定位方式是( )
【简答题】在 XML 学习中,学习几种约束,分别是 、 。