先吃糖,后吃西瓜,会觉得西瓜不甜。这是因为人的感觉具有
A.对比性
B.感受性
C.适应性
D.发展性
E.选择性
第1题
31 A program can best be described as:
A. A grouping of related activities which last two years or more
B. The first major subdivision of a project
C. A grouping of projects, similar in nature, which support a product or product line and have no definable end point
D. A product line
E. Another name for a project
第2题
Robert Fulton's invention, an airphibian, can best be described as ______.
A.a helicopter
B.a solo flying machine
C.a flying car
D.an airplane
第3题
Robert Fulton's invention, an airphibian, can best be described as ______ .
A.a helicopter
B.a solo flying machine
C.a flying car
D.an airplane
第4题
A laser can be best described by______.
A.a device for stimulating atoms and molecules to emit light
B.an atom in a high energy state
C.a technique for destroying atom or molecules
D.an instrument for measuring light waves
第5题
● A program can best be described as:
A A grouping of related activities which last two years or more
B The first major subdivision of a project
C A grouping of projects, similar in nature, which support a product or product line and have no definable end point
D A product line
E Another name for a project
第6题
Robert Fulton’s invention, an airphibian, can best be described as______.
A.a helicopter
B.a solo flying machine
C.a flying car
D.an airplane
第7题
A program can best be described as:
AA grouping of related activities which last two years or more
BThe first major subdivision of a project
CA grouping of projects, similar in nature, which support a product or product line and have no definable end point
DA product line
EAnother name for a project
第8题
Robert Fulton's invention, an airphibian, can best be described as______.
A.a helicopter
B.a solo flying machine
C.a flying car
D.an airplane
第9题
第10题
The boy can be best described as ________.
A.naughty
B.foolish
C.innocent
D.ignorant
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