烧伤休克期，如果病人血压低，尿量少，应多补充（）
A．葡萄糖溶液
B．胶体液
C．晶体液
D．三者均可
E．三者均不可
参考答案：C
144. This method must be very effective, for I’ve seen it _______ jobs by many different people.
A．applying to
B．being applied to
C．applied to
D．applied for
已知（x+y-1）2与|x+2|互为相反数，a、b互为倒数，试求xy+a b的值．
