适合水运的货物有______。
A．普通干货
B．危险品
C．液态物品
D．鲜活物品
E．大宗物品
参考答案：A,B,C,D,E
当永久胎盘发育时就退化的胎膜是（）
A.卵黄囊
B.羊膜囊
C.尿膜囊
D.绒毛膜囊
E.尿膜一绒毛膜囊
32．_____ you have a healthy diet, you can reduce its benefits by bad eating habits．
A．Just as
B．In case
C．Even if
D．Now that
