【单选题】Generally, air will be heavily polluted _____ there are factories.
【判断题】Generally, air will be heavily polluted there are factories.
【单选题】This action affects the environment as a whole . For example , a lot of carbon dioxide in the air comes from burning the rainforests . People obviously have a need for the resources we gain from cutti...
A.
We will lose much more than we can gain .
B.
Humans have begun destroying rainforests .
C.
People have a strong desire for resources .
D.
Much carbon dioxide comes from burning rainforests .
【单选题】It can be inferred from the passage that ______.
A.
developing countries should worry about the harm caused by polluted water and air
B.
the developing countries' economy will develop more rapidly if they deal with environmental problems right now
C.
the conventional wisdom has it that solving environmental problems may hurt economic growth
D.
the conventional wisdom holds that dealing with environmental problems now will generally cost less
【单选题】按照有关规定,下列哪种情况需要设置电梯。
【单选题】承压型连接的高强度螺栓的预拉力 P 应与摩擦型高强度螺栓 。
A.
不相同 ; 高强度螺栓承压型连接不应用于直接承受动力荷载的结构
B.
相同 ; 高强度螺栓承压型连接可应用于直接承受动力荷载的结构
C.
相同 ; 高强度螺栓承压型连接不应用于直接承受动力荷载的结构
D.
不相同 ; 高强度螺栓承压型连接可应用于直接承受动力荷载的结构
【简答题】要求输出课程成绩等级A、B、C、D、E。90分以上为A ,80~89为B,70~79分为C,60~69分为D,小于60为E。百分制为[0,100],求最佳编程。
【单选题】按照有关规定,下列哪种情况需要设置电梯。
【判断题】货币乘数也称货币扩张系数或货币扩张乘数,是指在基础货币(高能货币)基础上货币供给量通过商业银行的创造存款货币功能产生派生存款的作用产生的信用扩张倍数,是货币供给扩张的倍数。
【单选题】Generally, air will be polluted _______ there are factories.