吸收障碍性腹泻
A.先天性乳糖酶缺乏腹泻
B.麦胶性肠病
C.胰性霍乱综合征
D.肠易激综合征
E.末端回肠炎
参考答案:B
(2013·湖南,34)—I don't understand why you didn't go to the lecture yesterday afternoon.
—I'm so sorry.But I________my homework.
A.had done
B.was doing
C.would do
D.am doing
以下哪项不是意志通常的特征()
A.指向性
B.目的性
C.坚强性
D.自觉性
E.多变性