气出入受阻，突然昏厥的病理变化为( )
A．气脱
B．气滞
C．气逆
D．气虚
E．气闭
参考答案：E
计算：3000+400=
To deal with the global financial crisis, China ______ the international community to help developing
countries.
A. called on
B. called up
C. called in
D. called for
