农民采用盐水法选种时,把种子放入浓度适宜的盐水中,干瘪、虫蛀的种子因受到的浮力
____ 重力就会上浮直至漂浮,而饱满的种子因受到的浮力
____ 重力则会下沉到容器的底部.(选填“大于”、“等于”或“小于”)
下表为不同史籍关于唐武德元年同一事件的历史叙述。据此能够被认定的历史事实是( )
2015年1月,***考察广东自贸试验区规划、筹备和新区简政放权等情况,寄望广东自贸区争创审批“特区速度”。广东自贸区争创审批“特区速度”的重要意义有( )
①有利于更加尊重市场规律,更好发挥政府作用
②有利于更好地发挥市场在资源配置中起决定性作用
③有利于强化市场监管,弱化市场风险
④有利于国家进行科学的宏观调控,确保自贸区经济快速发展
“十月怀胎,一朝分娩”,母爱是伟大的。胚胎在母体内发育的主要场所是( )
用括号内所给动词的适当形式填空,并将答案写在答题卡标有题号的横线上。⑴We all love Mr Hu who is very kind and ____ (treat) us as his own children.⑵____ you____ (hand) in the report today? Yes, I put it on your desk shortly after lunch .⑶The cinema we used to go to____ (turn) into a hotel by the government in two years⑷Timmy is active. He has many hobbies from____ (collect) stamps to outdoor-activities .⑸The accident was so bad that all the doctors except Dr Li____ (save) the patients in danger at that time,⑹He told us the boat would not float in the direction of wind if it____ (control).⑺The old man was honoured for what he____ (do) for the poor since 10 years ago..⑻The girl thought that her decision ____ (affect) her future study in college and job as well.
读“我国沿36°N纬线地势剖面图”,完成下列要求.