皮皮学，免费搜题
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【单选题】
某患者骨髓涂片检查结果：粒系细胞30%，淋巴细胞25%，单核细胞25%，红系细胞20%。该患者骨髓M：E是A.
1：1
B.
1．5：1
C.
2：1
D.
3：l
E.
4：1
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皮皮学刷刷变学霸
举一反三
【单选题】—— What’s wrong with Tom? —— Bad luck! Tom his bike and hurt his leg.
A.
fell
B.
fell off
C.
fell down
D.
fell behind
【单选题】—What happened to Tom? —He ______ his leg while playing football with his classmates.
A.
had broken
B.
has broken
C.
broke
D.
was breaking
【单选题】What's the matter with Tom?
A.
He threw his bike away.
B.
He hurt (使受伤,伤害) his leg.
C.
He sold his bike.
【单选题】---Tom hurt his left leg in the game this morning. ---Really? It would take at least two weeks ______ he could recover and return to school.
A.
when
B.
that
C.
since
D.
before
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