营养主要在胃肠道哪个部位被吸收
A．胃
B．小肠
C．大肠
D．肝
E．食管
参考答案：B
He is the English teacher___________ help we have made great progress.
A．under whose
B．with who
C．whose
D．with whose
既能养心安神，又能润肠通便的药物是（）
A.杏仁
B.柏子仁
C.酸枣仁
D.桃仁
E.川贝母
