[判断题]机车蓄电池冲放电时，其端电压及电解液的比重、温度等均不发生变化。
A.正确
B.错误

和平共处五项原则，是我国处理对外关系的基本准则，而2014年又是和平共处五项原则提出60周年。在新的历史条件下，继续坚持和平共处五项原则有利于（）
①消除国家间各种冲突的根源②维护地区和世界的和平与稳定
③建立公正合理的国际政治新秩序④发挥我国对国际事务的领导作用

Most plants can make their own food from sunlight, (1) some have discovered that stealing is an easier way to live. Thousands of plant species get by (2) photosynthesizing, and over 400 of these species seem to live by pilfering sugars from an underground (3) of fungi(真菌). But in (4) a handful of these plants has this modus operandi been traced to a relatively obscure fungus. To find out how (5) are (6) , mycologist Martin Bidartondo of the University of California at Berkeley and his team looked in their roots. What they found were (7) of a common type of fungus, so (8) that it is found in nearly 70 percent of all plants. The presence of this common fungus in these plants not only (9) at how they survive, says Bidartondo, but also suggests that many ordinary plants might prosper from a little looting, too.
Plants have (10) relations to get what they need to survive. Normal, (11)
A. for
B. with
C. to
D. without