诊断葡萄胎的方法有()
A.病史、体征
B.HCG测定
C.AFP测定
D.超声检查
E.CA125测定
参考答案:A, B, D
President Hu Jintao urged every effort _____ to rescue and treat the injured when the earthquake happened in Sichuan in 2008.
A.is made
B.must be made
C.be made
D.should make
下来防止通过远程访问来侵入系统的措施正确的是()
A.要求用户经常更新他们的帐号口令
B.当员工离职时,回收他(她)的系统帐号
C.定期对远程接入审核
D.对远程管理地址进行限制