属丘脑的结构有（）
A.松果体
B.内侧膝状体
C.垂体
D.外侧膝状体
E.丘脑枕
参考答案：B, D, E
A study ________ in the USA in 1977 showed that the chemical ASA in aspirin could prevent a stroke.
A．carrying out
B． carried out
C．working out
D．worked out
世界银行会员国需一次缴付全部认缴股金。
