皮皮学，免费搜题
登录
搜题
【单选题】
某人现有现金10000元,若购买企业债券,年息10%,若购买金融债券,年息12%,则他购买企业债券的机会成本是( )
A.
1000
B.
1200
C.
200
D.
800
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】下列哪种情况不需要胃肠减压
A.
胃肠道大手术
B.
急性肠梗阻
C.
急性弥漫性腹膜炎
D.
急性胃炎
E.
急性胰腺炎
查看完整题目与答案
【单选题】I know him very well because we ____________friends for ages.
A.
are
B.
were
C.
had been
D.
have been
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
位于入球微动脉管壁的平滑肌
B.
胞质内有许多分泌颗粒
C.
与内皮细胞之间无基膜和内弹性膜相隔
D.
其功能是分泌血管紧张素原
E.
与球外系膜细胞之间有缝隙连接
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
来源于入球微动脉管壁的平滑肌
B.
胞质内有许多分泌颗粒
C.
与内皮细胞之间无基膜和内弹性膜相隔
D.
其功能是分泌血管紧张素原
E.
与球外系膜细胞之间有缝隙连接
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
位于入球微动脉管壁的平滑肌转化而成
B.
位于出球微动脉管壁的平滑肌转化而成
C.
球旁细胞内含有分泌颗粒（内含肾素）
D.
肾素是一种蛋白水解酶
E.
球旁细胞呈上皮样，立方形
查看完整题目与答案
【单选题】I don't know him very well. He's just a(n) __ acquaintance.
A.
uncanny
B.
strange
C.
casual
D.
indifferent
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
来源于入球微动脉管壁的平滑肌
B.
胞质内有许多分泌颗粒
C.
与致密斑相邻
D.
其功能是分泌血管紧张素原
E.
与球外系膜细胞之间有缝隙连接
查看完整题目与答案
【单选题】I know him very well, because we _______ friends for ages.
A.
have made
B.
made
C.
have been
D.
are
查看完整题目与答案
【单选题】I know him very well because we ______ friends for ages.
A.
are
B.
we’re
C.
has been
D.
have been
查看完整题目与答案
【单选题】This returned Chinese scholar has become one of the top experts in this field .—Yes , I know him very well . He in Africa with wild animals for eight years .
A.
worked
B.
has been working
C.
has worked
查看完整题目与答案
相关题目：
【单选题】下列哪种情况不需要胃肠减压
A.
胃肠道大手术
B.
急性肠梗阻
C.
急性弥漫性腹膜炎
D.
急性胃炎
E.
急性胰腺炎
查看完整题目与答案
【单选题】I know him very well because we ____________friends for ages.
A.
are
B.
were
C.
had been
D.
have been
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
位于入球微动脉管壁的平滑肌
B.
胞质内有许多分泌颗粒
C.
与内皮细胞之间无基膜和内弹性膜相隔
D.
其功能是分泌血管紧张素原
E.
与球外系膜细胞之间有缝隙连接
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
来源于入球微动脉管壁的平滑肌
B.
胞质内有许多分泌颗粒
C.
与内皮细胞之间无基膜和内弹性膜相隔
D.
其功能是分泌血管紧张素原
E.
与球外系膜细胞之间有缝隙连接
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
位于入球微动脉管壁的平滑肌转化而成
B.
位于出球微动脉管壁的平滑肌转化而成
C.
球旁细胞内含有分泌颗粒（内含肾素）
D.
肾素是一种蛋白水解酶
E.
球旁细胞呈上皮样，立方形
查看完整题目与答案
【单选题】I don't know him very well. He's just a(n) __ acquaintance.
A.
uncanny
B.
strange
C.
casual
D.
indifferent
查看完整题目与答案
【单选题】关于球旁细胞描述错误的是
A.
来源于入球微动脉管壁的平滑肌
B.
胞质内有许多分泌颗粒
C.
与致密斑相邻
D.
其功能是分泌血管紧张素原
E.
与球外系膜细胞之间有缝隙连接
查看完整题目与答案
【单选题】I know him very well, because we _______ friends for ages.
A.
have made
B.
made
C.
have been
D.
are
查看完整题目与答案
【单选题】I know him very well because we ______ friends for ages.
A.
are
B.
we’re
C.
has been
D.
have been
查看完整题目与答案
【单选题】This returned Chinese scholar has become one of the top experts in this field .—Yes , I know him very well . He in Africa with wild animals for eight years .
A.
worked
B.
has been working
C.
has worked
查看完整题目与答案