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【单选题】
绝大多数蛋白质抗原刺激B细胞产生抗体时,必须依赖T细胞的辅助 ,这些抗原称为( )
A.
完全抗原
B.
自身抗原
C.
胸腺依赖性抗原
D.
非胸腺依赖性抗原
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举一反三
【单选题】He tried and tried but all his efforts were ______.
A.
in no way
B.
on the contrary
C.
at a loss
D.
of no avail
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【单选题】被少数股东所控制的企业,为了保证少数股东的绝对控制权,一般倾向于采用优先股或负债方式筹集资金,而尽量避免普通股筹资。( )
A.
正确
B.
错误
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【单选题】下列关于金属的叙述中正确的是 ()
A.
A . 所有的金属都是固态的
B.
金属具有导电性、导热性和延展性
C.
所有金属能与酸反应生成氢气
D.
金属元素在自然界中都是以化合态存在的
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【单选题】He insisted that he really very tried and that he to have a rest.
A.
was;be allowed
B.
was;must be allowed
C.
should be;must be allowed
D.
should be;be allowed
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【单选题】He tried and tried but all his effects were ____
A.
in no way
B.
on the contrary
C.
at a loss
D.
of no avail
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【判断题】被少数股东所控制的企业,为了保证少数股东的绝对控制权,一般倾向于采用优先股或负债方式筹集资金,而尽量避免普通股筹资。
A.
正确
B.
错误
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【单选题】下列关于基金份额的分拆、合并,叙述错误的是()。
A.
当基金的净值过低时,通过基金份额的合并可以提高其净值,这种行为被称为逆向分拆
B.
基金份额的分拆有利于基金持续营销,有利于改善基金份额持有人结构
C.
当基金的净值过高时,通过基金份额的合并可以提高其净值
D.
分拆比例大于1的分拆定义为基金份额的分拆,而分拆比例小于1的分拆则定义为基金份额的合并
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【单选题】He tried again and again, ____ at last, he failed.
A.
and
B.
but
C.
or
D.
so
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【单选题】He tried to learn Greek but soon got tired of it and gave up it.
A.
B.
D.
D
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【单选题】He tried and tried but all his efforts were __.
A.
in no way
B.
on the contrary
C.
at a loss
D.
of no avai
查看完整题目与答案
相关题目:
【单选题】He tried and tried but all his efforts were ______.
A.
in no way
B.
on the contrary
C.
at a loss
D.
of no avail
查看完整题目与答案
【单选题】被少数股东所控制的企业,为了保证少数股东的绝对控制权,一般倾向于采用优先股或负债方式筹集资金,而尽量避免普通股筹资。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列关于金属的叙述中正确的是 ()
A.
A . 所有的金属都是固态的
B.
金属具有导电性、导热性和延展性
C.
所有金属能与酸反应生成氢气
D.
金属元素在自然界中都是以化合态存在的
查看完整题目与答案
【单选题】He insisted that he really very tried and that he to have a rest.
A.
was;be allowed
B.
was;must be allowed
C.
should be;must be allowed
D.
should be;be allowed
查看完整题目与答案
【单选题】He tried and tried but all his effects were ____
A.
in no way
B.
on the contrary
C.
at a loss
D.
of no avail
查看完整题目与答案
【判断题】被少数股东所控制的企业,为了保证少数股东的绝对控制权,一般倾向于采用优先股或负债方式筹集资金,而尽量避免普通股筹资。
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列关于基金份额的分拆、合并,叙述错误的是()。
A.
当基金的净值过低时,通过基金份额的合并可以提高其净值,这种行为被称为逆向分拆
B.
基金份额的分拆有利于基金持续营销,有利于改善基金份额持有人结构
C.
当基金的净值过高时,通过基金份额的合并可以提高其净值
D.
分拆比例大于1的分拆定义为基金份额的分拆,而分拆比例小于1的分拆则定义为基金份额的合并
查看完整题目与答案
【单选题】He tried again and again, ____ at last, he failed.
A.
and
B.
but
C.
or
D.
so
查看完整题目与答案
【单选题】He tried to learn Greek but soon got tired of it and gave up it.
A.
B.
D.
D
查看完整题目与答案
【单选题】He tried and tried but all his efforts were __.
A.
in no way
B.
on the contrary
C.
at a loss
D.
of no avai
查看完整题目与答案