儿童便血,大便次数和性质无明显改变者。其为()
A.内痔
B.肛裂
C.直肠息肉
D.锁肛痔
E.溃疡性结肠炎
参考答案:C
面对责任,不言代价与回报是那些最富有责任心的人 [ ]
A.共有的情感
B.共同的理想
C.共同的心愿
D.所不愿接受的
Last night Mr. Crook didn’t come back at the usual time. ______, he met some friends and atayed out unitl midnght.
A.Meanwhile
B.However
C.Instead
D.Yet