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【判断题】
航空发动机可分为航空活塞式发动机和空气喷气式发动机两大类A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Both Mr. Wang and Mrs. Wang _______ his blind son to attend a school which ______ blind children
A.
intends, is intended to
B.
intend, is intended for
C.
intends, is intended for
D.
is intended, is intended for
【单选题】Mr. Wang is very strict ________ his son, and also, he is very strict ________ his job.
A.
with; with
B.
with; in
C.
in; in
D.
in; with
【单选题】Mr. Wang is very strict _______ his son. And he is very strict _______ everything he does. [ ]
A.
with, with
B.
with, in
C.
in, in
D.
in, with
【简答题】直流电路如图所示,R 1 所消耗的功率为2W,则R 2 的阻值应为 Ω
【单选题】Mr. Wang and his son, both looking very happy, ______ taking a walk in the park.
A.
are
B.
is
C.
has
D.
have
【单选题】甲公司的分公司在核准的经营范围内以自己名义对外签订一份货物买卖合同,此项合同是( )
A.
无效，甲公司和分公司均不承担民事责任
B.
有效，其民事责任由分公司独立承担
C.
有效，其民事责任由甲公司承担
D.
有效，其民事责任由分公司承担，甲公司负连带责任
【单选题】( )Mr. Wang isn’t here. He and his son ____ Yunnan.
A.
has been to
B.
have been to
C.
has gone to
D.
have gone to
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