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【单选题】
Choose the correct meaning of each word.joint taskA.
common task
B.
unique task
C.
easy task
D.
united task
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反馈参考答案：
举一反三
【简答题】变频调速中的变频器一般由()组成。(A)整流器、滤波器、逆变器 (B)放大器、滤波器、逆变器 (C)整流器、滤波器 (D)逆变器A.B.C.D. D
【单选题】Part II. Vocabulary & Structure Directions: This part is to test your ability to use words and phrases correctly to construct meaningful and grammatically correct sentences. It consists of 2 sections....
A.
involve
B.
involved
C.
involving
D.
to involve
【简答题】变频调速中的变频器一般由() A. 整流器、滤波器、逆变器 B 放大器,滤波器,逆变器 C. 整流器、滤波器、 D 逆变器
【单选题】Part II. Vocabulary & Structure Directions: This part is to test your ability to use words and phrases correctly to construct meaningful and grammatically correct sentences. It consists of 2 sections....
A.
over
B.
with
C.
to
D.
at
【单选题】Part II. Vocabulary & Structure Directions: This part is to test your ability to use words and phrases correctly to construct meaningful and grammatically correct sentences. It consists of 2 sections....
A.
about
B.
at
C.
in
D.
to
【单选题】Part II. Vocabulary & Structure (30 points ) Directions : In this section, there are 10 incomplete statements. You are required to complete each one by deciding on the most appropriate word or words f...
A.
of
B.
about
C.
in
D.
on
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