下列疾病均可出现黏液脓血便但除外()。
A.溃疡性结肠炎
B.细菌性痢疾
C.结肠癌
D.阿米巴痢疾
E.肠易激综合征
参考答案:E
It is _______ he often fails in exam_______ makes his parents worried about him. [ ]
A. because, that
B. that, that
C. 不填, that
D. what, that
根据卷烟制丝生产过程中各设备的特点和功能,将卷烟制丝设备分为加湿设备、()、切丝设备、干燥设备和其它设备五类。