介入放射学中常用抗凝药物有()、()、()、()。
参考答案:肝素;华法林;阿司匹林;双嘧达莫
用所给词的适当形式填空。
1.—What ________ you ________now?
—I ________ (make) a cake for my birthday.
2. Paul can't ________(go) to the party.
3. How________you________ (spend) your last weekend?
4. The day after tomorrow I ________to the mountains.
5. —Can she go to the baseball game this morning?
—No, she can't. She ________ (have) a computer lesson.
6. Please________ (not talk) to Jim. He is doing his homework.
下列股利政策中,容易受到企业和股东共同青睐的股利政策是( )。
A.低正常股利加额外股利 B.固定或持续增长股利C.固定股利支付率 D.剩余胶利政策