皮皮学，免费搜题
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搜题
【单选题】
下列有关HE染色法的叙述哪一项是正确的A.
能显示细胞内的线粒体
B.
能显示网状纤维
C.
能将细胞核染成蓝紫色
D.
能将细胞膜染成蓝紫色
E.
能将弹性纤维染成黑色
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皮皮学刷刷变学霸
举一反三
【单选题】_____ foreign friends come to visit China every year. [ ]
A.
Many thousand
B.
Thousands of
C.
Many thousand of
D.
Many thousands
【单选题】Every year, millions of people visit the Palace Museum, and many of ____ are foreigners. [ ]
A.
them
B.
that
C.
whom
D.
what
【单选题】Every year, _____ fishes are killed by the polluted water and many people are made sick by the polluted air. [ ]
A.
thousand of
B.
thousands of
C.
two thousands
D.
two thousands of