数据接收后，要对数据进行（）。
A.编码
B.解码
C.压缩
D.解压
参考答案：B
Though trying really hard, they acknowledged ____ at last.
A．defeated
B．defeating
C．having defeated
D．having been defeated
对以腹泻为主要症状的肠易激综合征者宜选用（）
A．胰酶
B．山莨菪碱
C．双歧三联活菌制剂
D．匹维溴铵
E．左氧氟沙星
