Question 1:B?

Question 2: D.

Test analysis:

Question 1:① Beijing-Shanghai high-speed rail land bridge is to reduce the occupation of cultivated land resources, and A is wrong. ② Hangzhou Bay Bridge can shorten the journey from Ningbo to Shanghai. (3) qingshui river bridge, Guizhou Province is to reduce the fluctuation of railway slope, C error. ④ The bridge has nothing to do with the occupation of cultivated land, and D is wrong.

Question 2:① The passing area is mainly in plain area, and the drought and flood disasters have little influence on the construction, so A is wrong. (2) There is tidal influence, but there is no sea ice influence. B is wrong. ③ Located in the subtropical zone, there is more precipitation and less freezing rain and sandstorm. C is wrong. ④ The site is located in the Qinghai-Tibet Plateau, with high altitude, frozen soil and fragile ecology. In the construction, we should overcome and solve the frozen soil problem and pay attention to protecting the ecological environment.