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【简答题】
听问句，选出合适的答语。 ( ) 1. A. Sure. ( ) 2. A. They're boots. ( ) 3. A. No, it's not mine. ( ) 4. A. Yes, it is. ( ) 5. A. She's wearing a hat. B. It's a shirt. B. It's a hat. B. It's my hat. B. It's her coat. B. He's wearing blue pants.
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【简答题】微生物主要由水分和干物质组成，其中水分占 。
【单选题】It is worth much __________is worth doing. [ ]
A.
doing what
B.
what to do
C.
do what
D.
to do what
【简答题】细胞中的有机物主要是由蛋白质
、核酸、脂质和糖四大类组成,占细胞干重的( )以上。A. 60% B. 70% C. 80% D. 90%
【简答题】微生物的干物质主要由无机物和有机物组成，其中无机物占 。
【单选题】These books are worth next to ________ to them if they do not want to read.
A.
anything
B.
nothing
C.
everything
D.
something
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