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选择适当的词语填空。Choose the proper words to fill in the brackets.A本 B点 C个 D块 E分钟 F口 1.桌子上有三( )杯子。______ 2.李月想买两( )书。______ 3.椅子八十( )钱。______ 4.现在五( )三十分。______ 5.她40( )后回来。______

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选择适当的词语填空。Choose the proper words to fill in the brackets. A在 B是 C有 D前面 E那 F的1. 小猫在 儿。______ 2. 你爸爸 老师吗?______ 3. 我儿子 医院工作。______ 4. 我 三个哥哥。______ 5. 那个人是谁?______

The most common pathogen of acute hematogenous osteomyelitis is ()

A. mould
B. pneumonia
C. Staphylococcus aureus
D. Escherichia coli

Basic factor of protrusion of intervertebral disc is___________________. ()

A. chronic injury of intervertebral disc
B. acute injury of intervertebral disc
C. intervertebral disc degeneration
D. genetic factor

Which is wrong about the description of bone tumor? ()

All of the benign tumors were free of pain.
B. Almost all malignant tumors have local pain.
C. Pain may be intermittent in the early stage of malignant bone tumors.
D. Benign bone tumor malignant transformation, the pain will suddenly increase.

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