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【单选题】
关于免疫球蛋白与抗体的关系，以下哪一种说法是正确的A.
免疫球蛋白就是抗体
B.
抗体就是免疫球蛋白，而免疫球蛋白也就是抗体
C.
免疫球蛋白与抗体无关
D.
抗体不等于免疫球蛋白
E.
所有抗体都是免疫球蛋白，但免疫球蛋白不一定都是抗体
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皮皮学刷刷变学霸
举一反三
【单选题】I don't know his address, ______.
A.
otherwise I will write to him
B.
otherwise I would write to him
C.
otherwise I had written to him
D.
otherwise I would have written to him
【单选题】David thinks he might retire early because ______.
A.
people have to be young to write computer programs
B.
he wants to stop working when he is a millionaire
C.
he thinks his firm might go bankrupt
D.
he thinks computer games might not always sell so well
【单选题】Subject: Ask for orders From: Liz4589@tom. com To: househocom@gmail. com Dear Sirs, We thank you for your letter of 25 June, and are glad to inform. you that all the items listed in your enquiry are i...
A.
To reply a complaint
B.
To answer some questions
C.
To enclose an invoice
D.
To expect some orders
【多选题】企业发生的交易或事项按其对财务状况等式的影响 ，可分为（ ） 。
A.
使财务等式左右两边的金额保持不变
B.
使财务等式左右两边的金额同时增加
C.
使财务等式左右两边的金额同时减少
D.
使财务等式左右两边的金额一增一减
【简答题】Dear Sirs， We thank you for your enquiry of August 10th and are pleased to send you Our quotation for cotton and silk blouses。We have indicated those items that are available from stock．For the remain...
【判断题】群体医疗器械不良事件,是指同一医疗器械在使用过程中,在相对集中的时间、区域内发生,对一定数量人群的身体健康或者生命安全造成损害或者威胁的事件。 ( )
A.
正确
B.
错误
【简答题】Dear Sirs， We thank you for your enquiry of August 10th and are pleased to send you our quotation for cottonand silk blouses．We have indicated those items that are available from stock．For the remaini...
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