题目内容

fill someone's

A. boots
B. sleeves
C. comb
D. shoes

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roll up one's

A. sleeves
B. boot
C. shoes
D. cloth

with a fine-toothed

A. comb
B. boot
C. belt
D. sleeve

Match each item with its equivalent description.( )1. Telephone()2. Computer()3. Copier()4. Printer()5. Fax

高致病性禽流感、鸡新城疫血凝和血凝抑制试验采用( )%的红细胞。

A. 0.25
B. 0.5
C. 0.75
D. 1
E. 1.5

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