下列哪种是被动免疫的生物制品()
A.伤寒菌苗
B.卡介苗
C.麻疹疫苗
D.白喉类毒素
E.破伤风抗毒素
参考答案:E
根据句意用所给单词的适当形式填空,使句子完整、通顺
1. What would your parents like __________(have) for dinner this evening?
2. Thank you for __________(tell) me the price.
3. It is my first time __________(make) a lantern out of a pumpkin.
4. That old man likes going __________(fish) in spring and autumn.
5. Mike always __________(dress) up as a ghost at Halloween.
企业资金结构中的负债比例越高,则()
A、经营风险越大
B、加权平均资本成本越大
C、普通股每股利润的变动率受息税前利润变动率的影响越显著
D、债权人的风险越小