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According to the passage,who was probably the first European to step on the continent of N
A.Bjarni Herjolfsson
B.Leif Eriksson
C.Thorfinn Karlsefni
D.Helge Ingstad
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A.Bjarni Herjolfsson
B.Leif Eriksson
C.Thorfinn Karlsefni
D.Helge Ingstad
第1题
The two elements ,______water is made up are the gases oxygen and hydrogen.
A.that
B.which
C.of which
D.with which
第2题
Collocation (p.261) refers to the juxtaposition of two elements which are semantically in opposition (or comp
A、Collocation
B、Reiteration
C、Lexical cohesion
D、Coherence
第3题
The two elements ,______water is made up are the gases oxygen and hydrogen.
A.that
B.which
C.of which
D.with which
第4题
Computer systems consist of two very different types of elements:(71 ) , which includes all the physical things that can be touched and Software, which tells the hardware how to do.
A.Operating system
B.I/O devices
C.Courseware
D.Hardware
第5题
A、Hydrogen and oxygen
B、carbon and oxygen
C、Nitrogen and hydrogen
D、Hydrogen and helium
第6题
第7题
A.Operating system
B.I/O devices
C.Courseware
D.Software
第8题
which elements belong to micro-elements?
A.sodium
B.magnesium
C.iron
D.zinc
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