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【单选题】
下列关于血液的有关叙述不正确的是（ ）A.
加入抗凝剂的血液会出现分层现象
B.
血液化验单中的RBC、WBC分别指红细胞、白细胞
C.
血液成分的变化可做为医生诊断疾病的参考
D.
人出生后直到死亡，各种血液成分不再发生变化
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【简答题】Yesterday I didn’t feel well, so I had to stay at home. my mom thought I was just too tired. Later she _ _ my temperature. It was 38.5℃. She found I got a and she took me to the . I don’t like hospita...
【单选题】I didn't go to the party _____ the rain but _____ I didn't feel well. [ ]
A.
because of; because
B.
because; because of
C.
because; because
D.
because of ; because of
【单选题】I didn’t go to the party not ________the weather, but________I didn’t feel well.
A.
because, because of
B.
because of , because
C.
because , because
D.
because of, because of
【单选题】The input stage of an integrated operational amplifier is generally composed of .
A.
differential amplifier circuit
B.
voltage amplifier circui
C.
power amplifier circuit
D.
current source
【单选题】I didn’t go to the party not_____ the weather , but _____I didn’t feel well.
A.
because of; because
B.
because; because of
C.
because ; because
D.
because of; because of
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