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【单选题】
“十字架”的故事告诉我们,适应需要( )
A.
乐观
B.
意志
C.
方法
D.
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参考答案:
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
【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
【简答题】关于物质的量的描述正确的是(  ) A.物质的量常用符号N表示 B.摩尔是7个基本物理量之一 C.1mol硫酸中约含有6.02×10 23 个硫原子 D.像米粒这样细小的物体可以方便地用摩尔进行计量
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