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【单选题】
关于酶免疫试验的特点,正确的是A.
酶标记物催化抗原抗体反应,使其结果放大,提高了检测的灵敏度
B.
酶活性易受理化因素的影响,酶标记物稳定性差
C.
底物经酶催化后的呈色,使酶标记免疫反应结果得以放大
D.
酶免疫试验不能实现自动化
E.
酶免疫试验可以定性定量,不可以定位
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【单选题】The first-year students were learning from the army in Miyun, a suburb of Beijing near ______I lived.
A.
what
B.
where
C.
that
D.
which
【简答题】The army drew near to the south coast at on 13 October 1066.
【简答题】The museum for Schulz is located near where he wrote and drew the world known work—'______'.
【单选题】As the storm drew near, black clouds were _____ over the sky.
A.
smoothing
B.
wandering
C.
running
D.
gathering
【简答题】As the storm drew near, black clouds were g______( 聚集 ) over the sky.
【单选题】The children didn't know what to _______themselves as Christmas drew near.
A.
do with
B.
deal with
C.
play with
D.
run with
【单选题】They first-year students were learning from the army in Miyun, a suburb of Beijing near ______ I lived.
A.
what
B.
where
C.
that
D.
which
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