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【单选题】
Which of the following statements about the characteristics of debt and equity is false?A.
They can both be long-term financial instruments.
B.
They can both be short-term financial instruments.
C.
They both involve a claim on the issuer's income.
D.
They both enable a corporation to raise funds.
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举一反三
【单选题】关于牙体形态生理意义的描述正确的是
A.
在修复治疗时，要特别注意恢复牙冠正常位置和良好的接触关系。
B.
牙冠正常的凸度，保证牙龈组织的健康
C.
牙冠颈1/3的突度，还可扩展龈缘，使其紧张有力。
D.
以上均正确
【单选题】The modes of modem English vocabulary grow through three major channels: ________ , semantic change and __________.
A.
exchange/lending
B.
derivation/borrowing
C.
creation/borrowing
D.
affixation/creation
【简答题】完形填空。 I have had thousands of classes since I started school nine years ago. But only one 1 was the most important. It happened last term just after I had got a 2 result in an exam. I was sad and had ...
【单选题】Which of the following was not one of the Greek city-states' reformers during the 7th-5th century BC?
A.
Solon
B.
Peisistratus
C.
Ares
D.
Cleisthenes
【单选题】Which of the following was not one of the ancient Greek reformers during the 8th-5th century BC?
A.
Solon
B.
Peisistratus
C.
Ares
D.
Cleisthenes
【多选题】关于牙冠形态的生理意义,描述正确的是 ( )
A.
边缘嵴的作用是将食物局限在 面窝内
B.
发育沟里食物的排溢沟
C.
牙冠外形高点可扩张龈缘
D.
外展隙是食物的溢出道
E.
牙冠邻面突度可分散咬合压力
【简答题】记账凭证和原始凭证的共同点是 ( ) 。 A ．所起的作用相同 B ．所含凭证要素相同 C ．编制时间相同 D ．反映的经济业务相同
【多选题】关于牙冠形态的生理意义,描述正确的是
A.
边缘 嵴 的作用是将食物局限在牙合面窝内
B.
发育沟是食物的排溢沟
C.
牙冠外形高点可扩张龈缘
D.
外展隙是食物的溢出道
E.
牙冠邻面突度可分散咬合压力
【单选题】地下水一旦遭受明显污染,即使查明了污染原因并消除了污染来源,地下水水质仍需较长时间才能恢复。其原因是多方面的,以下叙述中哪项是不正确的
A.
地下水微生物含量少,自净能力较差
B.
地下水污染过程缓慢,被地层阻留的污染物还会源源不断地释放到地下水中
C.
地下水复氧能力差、溶解氧含量低,不利于地下水污染的自净
D.
地下水流动极其缓慢,污染物不易被稀释
E.
污染物进入地下水后沉淀作用强、易沉入水体底质,形成较高浓度的污染带
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