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【单选题】
刚性固定法,反变形法主要用来预防焊接梁焊后产生的弯曲变形和( )。
A.
扭曲变形
B.
反变形
C.
角变形
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【单选题】They live in a small house _____ an  interesting garden.
A.
with
B.
have
C.
has
D.
for
【单选题】They live in a small house ______ interesting garden. [     ]
A.
with an
B.
have an
C.
has a
D.
with a
【简答题】完形填空。 Bob and Jane are 1 They live in a small house. The house is 2 a busy street Near their house 3 a supermarket. There are four people in the family: Bob, Jane, their father and their mother. Their...
【简答题】They live in a small village. ( )
【简答题】They live in a small village ____the Great Wall. (near, beside)
【单选题】瓦尔拉斯经济理论的中心是( )
A.
一般均衡理论
B.
边际效用理论
C.
劳动价值理论
D.
资本理论
【单选题】My parents live in a small village. They always keep candles in the house ___ there is a power cut.
A.
if
B.
unless
C.
in case
D.
so that
【单选题】They live in a small house,and in front of ________ stands an orange tree.
A.
which
B.
it
C.
whom
D.
where
【单选题】The Whites live in a small village. They have (11) small farm and they work there every day.They have a son, John. He is (12) .He lives with them,(13) he doesn’t like to work in the village. He (14) t...
A.
a
B.
an
C.
the
D.
/
【单选题】投入产出分析基本原理是( )。
A.
萨伊定律
B.
一般均衡理论
C.
非均衡理论
D.
理性预期
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