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【单选题】
抓斗的自重分布在抓斗的 部位对抓取能力的影响最大。A.
头部
B.
颚板
C.
下横梁
D.
头部和撑杆、 颚板的铰点处
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反馈参考答案：
举一反三
【单选题】As a librarian, she spends most of her time ______ books on the shelves every day.
A.
arranging
B.
selling
C.
controlling
D.
borrowing
【单选题】We can infer from the passage that when traveling by air, the writer spends most of her time on the way ______.
A.
reading books
B.
resting herself
C.
imagining things
D.
letting her spirit soar
【单选题】She spends most time on work and ______watches television.
A.
always
B.
rare
C.
often
D.
rarely
【单选题】He spends most of his spare time ________English.
A.
to study
B.
on study
C.
on studying
D.
studying
【单选题】Mariangela currently Spends most of her time working with
A.
food.
B.
customers.
C.
money.
【单选题】Laura, who comes from a wealthy family, spends most of her time enjoying herself, but takes ______ pains with her lessons.
A.
little
B.
few
C.
a little
D.
a few
【单选题】The artist spends most of his spare time ___ butterfly specimens.
A.
collect
B.
collects
C.
to collect
D.
collecting
【单选题】My sister spends _____ studying so that she might later get a better job .
A.
most of her times
B.
her most times
C.
her most time
D.
most of her time
相关题目：
【单选题】She spends most time on work and ______watches television.
A.
always
B.
rare
C.
often
D.
rarely
参考解析：
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