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【多选题】
B细胞在中枢免疫器官骨髓发育成熟后
A.
表达功能性BCR
B.
膜表面仅表达IgM
C.
获得对自身抗原的免疫耐受
D.
形成记忆细胞
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【简答题】Andre: Why do you work with at-risk s? Bob: If at-risk s ________ , they will have bigger problems as s. They need our help today. Andre: Yeah. You ’ re right.
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【简答题】Some years ago industries had more than they have now, and they did not need to be as careful as they must today. They did not need to worry a lot about the safety of the new products that the...
查看完整题目与答案
【单选题】钢结构具有一定的耐热性,但不防火,因此当钢结构表面长期受辐射热()或在短期内可能受到火焰作用时,应采取有效的防护措施。
A.
≥150℃
B.
≥200℃
C.
≥450℃
D.
≥1400℃
查看完整题目与答案
【简答题】甲公司购入两台不需要安装的机器设备,取得的增值税专用发票上注明价款 80000 元,增值税 13600 元,全部款项已用银行存款支付。
查看完整题目与答案
【多选题】存储器的地址译码有两种方式:一种是( ),适用于小容量的存储器;另一种是( ),或称复合译码结构。
A.
单译码
B.
反向译码
C.
双译码
D.
纵向译码
查看完整题目与答案
【单选题】某基础工程包含土方和混凝土两个子项工程，工程量清单中的土方工程量为4400m3，混凝土工程量为2000m3，合同约定：土石方工程综合单价为75元／m3，混凝土工程综合单价为420元／m3；工程预付款额度为合同价的15％，主要材料和构配件所占比重为60％。则该工程预付款的额度及起扣点分别为（ ）万元。
A.
17．55，87．75
B.
17．10，99．45
C.
17．10，87．75
D.
17．55，99．45
查看完整题目与答案
【简答题】People use money to buy food, books, bicycles and hundreds of other things they need. When they work, they usually get paid in money. Most of the money used today is made of metal or paper. But in anc...
查看完整题目与答案
【单选题】Today, moving and changing are as much a part of a modern business way of life as they are a part of the native American's or the early pioneer's way of life. And the trend is toward even greater mobi...
A.
people who have spent a number of years with one company
B.
young people who do not want to move often, but are steady and dependable
C.
people who have spent a long time concerned with community affairs
D.
young people who have good education and are willing to move around
查看完整题目与答案
【简答题】Work and study today are very different from what they were like 20 years ago. In the past, people often worked in the same job from graduation till retirement. Today, however, everyone needs to learn...
查看完整题目与答案
【单选题】I ____ to work today but I went as I knew they were really busy on this new contract.
A.
didn't need to go
B.
needn't have gone
查看完整题目与答案
相关题目：
【简答题】Andre: Why do you work with at-risk s? Bob: If at-risk s ________ , they will have bigger problems as s. They need our help today. Andre: Yeah. You ’ re right.
查看完整题目与答案
【简答题】Some years ago industries had more than they have now, and they did not need to be as careful as they must today. They did not need to worry a lot about the safety of the new products that the...
查看完整题目与答案
【单选题】钢结构具有一定的耐热性,但不防火,因此当钢结构表面长期受辐射热()或在短期内可能受到火焰作用时,应采取有效的防护措施。
A.
≥150℃
B.
≥200℃
C.
≥450℃
D.
≥1400℃
查看完整题目与答案
【简答题】甲公司购入两台不需要安装的机器设备,取得的增值税专用发票上注明价款 80000 元,增值税 13600 元,全部款项已用银行存款支付。
查看完整题目与答案
【多选题】存储器的地址译码有两种方式:一种是( ),适用于小容量的存储器;另一种是( ),或称复合译码结构。
A.
单译码
B.
反向译码
C.
双译码
D.
纵向译码
查看完整题目与答案
【单选题】某基础工程包含土方和混凝土两个子项工程，工程量清单中的土方工程量为4400m3，混凝土工程量为2000m3，合同约定：土石方工程综合单价为75元／m3，混凝土工程综合单价为420元／m3；工程预付款额度为合同价的15％，主要材料和构配件所占比重为60％。则该工程预付款的额度及起扣点分别为（ ）万元。
A.
17．55，87．75
B.
17．10，99．45
C.
17．10，87．75
D.
17．55，99．45
查看完整题目与答案
【简答题】People use money to buy food, books, bicycles and hundreds of other things they need. When they work, they usually get paid in money. Most of the money used today is made of metal or paper. But in anc...
查看完整题目与答案
【单选题】Today, moving and changing are as much a part of a modern business way of life as they are a part of the native American's or the early pioneer's way of life. And the trend is toward even greater mobi...
A.
people who have spent a number of years with one company
B.
young people who do not want to move often, but are steady and dependable
C.
people who have spent a long time concerned with community affairs
D.
young people who have good education and are willing to move around
查看完整题目与答案
【简答题】Work and study today are very different from what they were like 20 years ago. In the past, people often worked in the same job from graduation till retirement. Today, however, everyone needs to learn...
查看完整题目与答案
【单选题】I ____ to work today but I went as I knew they were really busy on this new contract.
A.
didn't need to go
B.
needn't have gone
查看完整题目与答案
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