维生素B1缺乏病的易感人群有()。
A.婴幼儿、孕妇、乳母
B.重体力劳动者
C.高温作业者
D.低温作业者
E.酗酒者
参考答案:A, B, C, D, E
The man as well as his horse ________ crossed the river ________ from Tokyo.[ ]
A. which; come
B. that; comes
C. who; came
D. who; come
()。
A.A
B.B
C.C
D.D