人民法院在审理或执行案件时，依法可以对信用证保证金采取的措施是：（）
A、冻结;
B、扣划;
C、冻结并扣划;
D、没收
参考答案：A
—How was the journey? Did you come back by plane or by train?
—For some reason, I came back by train. I ____ back by plane, though.
A．could have traveled
B．should travel
C．might travel
D．would have traveled
目前需进行的处理是
A．给予大剂量广谱抗生素及肠道菌抑制药
B．开腹探查，癌变肠段切除术
C．开腹探查解除梗阻
D．禁食、输液、胃肠减压
E．饮食调节，内科治疗
