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【判断题】
固定技术系数是指生产某1单位产品所需的各种要素彼此之间是可以替代的。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】I don’t think these books are _____ for young children.
A.
capable
B.
probable
C.
suitable
D.
reasonable
【单选题】I don’t think these books are________ for young children.
A.
suitable
B.
capable
C.
reasonable
D.
probable
【单选题】Let’s go to the library for more books.I don’t think these all the problems of the subject.A．tellB
A.
Let’s go to the library for more books.I don’t think these ____all the problems of the subject. A．tell
B.
show
C.
find
D.
cover
【单选题】I don’t think these jackets are John’s and Tom’s.________ must be in the next room.
A.
Theirs
B.
They
C.
Their
D.
Ours
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