问题
单项选择题
对结肠癌预后与复发有判断价值的是()
A．癌胚抗原测定
B．甲胎蛋白测定
C．EB病毒抗体
D．碱性磷酸酶测定
E．酸性磷酸酶测定
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
对结肠癌预后与复发有判断价值的是()
A．癌胚抗原测定
B．甲胎蛋白测定
C．EB病毒抗体
D．碱性磷酸酶测定
E．酸性磷酸酶测定
参考答案：A
Passage Three
What would happen to some countries if tourism stopped
A．Their economies would be ruined.
B．It would keep their economies going.
C．There would be no more environmental pollution there.
D．People have no chance to travel there.