只能引起血管扩张的炎症介质是
A.PCE2
B.TNF
C.组胺
D.PGA
E.缓激肽
参考答案:D
解析:[解题思路] 引起血管扩张的炎症介质是PGA,LT可引起血管扩张或收缩。
—Jack is always studying hard and does well in all subjects.
—No wonder he ________ to be admitted to Beijing University.
A.is expecting
B.will be expected
C.is expected
D.will expect
关于人性的观点,下列选项中正确的是
A.人性善
B.人性恶
C.人性不善不恶
D.人性是在社会中形成的