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【单选题】
关于免疫印迹法特点叙述不正确的是 A、仅在同一固相上做单项分析检测B.
灵敏度高
C.
特异性强
D.
先用混合抗原做凝胶电泳
E.
可检测抗Sm、RNP、SSA、SSB等多种抗体
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举一反三
【单选题】My parents were very busy, ______ they could not come.
A.
but
B.
and
C.
however
D.
therefore
【简答题】是 Windows 系统存储关于计算机配置信息的数据库,是 Windows 操作系统的核心。
【单选题】My parents were very helpful and agreed when I told them I wanted to become an electrician.
A.
somewhere
B.
supportive
C.
sometimes
D.
someone
【单选题】My parents were very helpful and agreed when I told them I wants to become an electrician.
A.
somewhere
B.
supportive
C.
sometimes
D.
someone
【简答题】My parents were very _______with me when I was young.
【简答题】兰亭集序 王羲之 永和九年,岁在癸丑,暮春之初,会于会稽山阴之兰亭,修禊事也。群贤毕至,少长咸集。此地有崇山峻岭,茂林修竹;又有清流激湍,映带左右,引以为流觞曲水,列坐其次。虽无丝竹管弦之盛,一觞一咏,亦足以畅叙幽情。 是日也,天朗气清,惠风和畅,仰观宇宙之大,俯察品类之盛,所以游目骋怀,足以极视听之娱,信可乐也。 夫人之相与,俯仰一世,或取诸怀抱,悟言一室之内;或因寄所托,放浪形骸之外。虽趣舍万...
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