1. [单选题]科技工作者追求真理(truth seeking)、向真理靠近所必须坚持(must stick to)的思想路线是（ ）。
A. 不畏艰险
B. 团结协作
C. 勇于创新
D. 实事求是
2. [单选题]The exponential growth of mobile broadband traffic is certainly （） by both, the increasing demand for known and new data services,such as mobile internet access, social networking,location-based services/personal navigation and so on, and the data （） and storage capabilities of state-of-the-art terminals, such as smartphones and the most recent tablets.
A. lead
B. creating C、caused
C. composing A、processing
D. calculatiaon C、mining
E. display
