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搜题
【单选题】
韭菜生产中,( )年后多进入衰老期,生理机能衰退,产量、品质下降,此时需要重新种植韭菜 。
A.
3-5 年
B.
1-2 年
C.
5-6 年
D.
2-3 年
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举一反三
【单选题】可用于表示B物质的量的符号是
A.
C B
B.
ρ B
C.
Ω
D.
n B
【简答题】IV. Choose a word or phrase that best completes each of the following sentences.
【单选题】IV. Choose the word or phrase that can replace the underlined part in each sentence without changing its original meaning. 1. They sent out more than 30 invitations to the seminar, but only twenty peo...
A.
turned up
B.
took part in
C.
attended
D.
accepted
【简答题】IV. Choose a word or phrase that best completes each of the following sentences.
【单选题】IV. Choose the word or phrase that can replace the underlined part in each sentence without changing its original meaning. He had drunk too much, and his body swayed as he walked.
A.
swung
B.
bent
C.
trembled
D.
stiffened
【单选题】IV. Choose the word or phrase that can replace the underlined part in each sentence without changing its original meaning. 1. He had drunk too much, and his body swayed as he walked.
A.
swung
B.
bent
C.
trembled
D.
stiffened
【单选题】IV. Choose the word or phrase that can replace the underlined part in each sentence without changing its original meaning. 1.
A.
indulgence
B.
speculation
C.
habit
D.
inflation
【单选题】可用于表示B物质的质量的符号是
A.
m B
B.
ρ B
C.
ω B
D.
φ B
【单选题】可用于表示B物质的量的符号是( )
A.
C B
B.
ρ B
C.
ω B
D.
n B
【单选题】沥青碳和似碳物的特征有( )。
A.
黑色液体
B.
密度比水小
C.
沥青中分子量最大
D.
在正常沥青中含量高
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