下列措施有利于提高长江运输能力的是 ①治理川江和荆江②疏浚长江航道③加强沿江港口建设④建设三峡水利枢纽工程 A．①②③
美国历史学家斯塔夫里阿诺斯指出：“1500年至1763年的这些岁月是全球开始统一的时期。”“全球开始统一”始于（ ） A．文艺复兴
Could you please give me a hand? I can't complete the task on time ________ your help.A．without B．under C．with D．for
Like many men at some point, I dream about opening a bar. I plan to call it Work Out. It will cater to married women in need of a little fun. On Friday nights, they will be able to come here and en
如果实数x、y满足的最大值为 （ ） A． B． C． D．
在一定质量表面被氧化的镁条中，慢慢加入一定浓度的盐酸，反应中有关量的变化情况描述正确的是 A
When father bought me a computer for a birthday present 76． in last year, I felt very excited. As we all know, computers 77． are getting more usefully nowadays. Much informatio
破伤风梭状芽孢杆菌侵入了人体深部的组织细胞并大量繁殖，下列关于该菌的细胞呼吸类型和消灭该菌首先要通过的免疫途径的叙述，正确的是( )
写成省略加号的和式为（ ）．
B．
C．
D．
