Materials ____ which current can flow are called conductors.
A、A. through
B、B. with
C、C. at
D、D. of
A、A. through
B、B. with
C、C. at
D、D. of
A.An ounce of prevention is worth a pound of cur
B.We hope for the best and prepare for the worst.
C.Don’t cross the bridge until you come to it.
D.Every cloud has a silver linin
Which is implied but not stated in the passage?
A.The Chinese mainly use acupuncture to cure strange disease.
B.Most Chinese patients prefer acupuncture to chemicals in curing diseases.
C.The Chinese have spread acupuncture all over the world.
D.The Chinese are learning to be more skillful and efficient in acupuncture.
Which is implied but not stated in the passage?
A.The Chinese mainly use acupuncture to cure strange disease.
B.The Chinese are learning to be more skillful and efficient in acupuncture.
C.The Chinese have spread acupuncture all over the world.
D.Most Chinese patients prefer acupuncture to chemicals in curing diseases.
Which topic is Mr. Ruiz asked to research?
A.Possible ways of cutting wages
B.The firm's current hiring plans
C.Changes to the overtime policy
D.The company's marketing agreement
Which is implied but hot stated in the passage?
A.The Chinese mainly use acupuncture to cure strange disease.
B.The Chinese are learning to be more skillful and efficient in acupuncture.
C.The Chinese have spread acupuncture all over the world.
D.Most Chinese patients prefer acupuncture to chemicals in curing diseases.
A、materials with good plasticity
B、materials with good toughness
C、materials with high elasticity
D、materials with high hardness
A) Extracting raw materials
B) Manufacturing engineered materials
C) Service ofproducts and systems
D) Recycling/disposalmaterials
Which advantage do smart polymeric materials offer designers?
A) Eliminate selection problems
B) Reduce raw materials costs
C) Adapt to environmental changes
D) Reduce processing
A.who
B.when
C./
D.which
There has been a nation-wide shortage of building materials, ()which the trade is only just recovering.
A.for
B.on
C.at
D.from
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