钢纤维混凝土拌制的正确投料顺序是()。
A.砂、石、水泥、钢纤维、外加剂、水
B.砂、石、钢纤维、水泥、水、外加剂
C.砂、石、水泥、钢纤维、水、外加剂
D.砂、石、钢纤维、水泥、外加剂、水
第1题
Which of the following statements best describes the condition of the passengers?
A.No one was fatally injured.
B.There were many heavy casualties.
C.No one was hurt during the accident.
D.Someone was killed during the accident.
第2题
Which of the following statements best describes the condition of the passengers?
A.No one was fatally injured.
B.There were many heavy casualties.
C.No one was hurt during the accident.
D.Someone was killed during the accident.
第3题
Which one of the following statements describes an “implied author”?
A.The implied author is the real author’s “another self.”
B.The implied author is the story writer.
C.The implied author is an alternative term for “narrator.”
D.The implied author is an image the reader gets from the written work.
第4题
Which of the following statements best describes Leroy Sutton?
A.He had died of an aneurysm.
B.He lost one of his legs.
C.He is blind for some reason.
D.He slipped into drug use.
第5题
Which of the following statements describes one of the functions of the ballast system?
A.To permit flooding of any fuel oil storage tank on any class of ship
B.To use it as a secondary service system
C.To store reserve feed or potable water for extended cruises
D.To stabilize the ship by flooding certain designed tanks with seawater
第6题
Which of the following statements best describes the organization of the passage?
A.Statement illustrated by an analogy.
B.A hypothesis supported by documentation.
C.A comparison of two contrasting theories.
D.A critical analysis of a common assumption.
第7题
Which of the following statements best describes the organization of the passage?
A.A statement illustrated by an analogy.
B.A hypothesis supported by documentation.
C.A comparison of two contrasting theories.
D.A critical analysis of a common assumption.
第8题
Which of the following statements best describes the organization of the passage?
A.A statement illustrated by an analogy.
B.A hypothesis supported by documentation.
C.A comparison of two contrasting theories.
D.A critical analysis of a common assumption.
第9题
Which of the following statements best describes a laser?
A.A device for stimulating atoms and molecules to emit light.
B.An atom in a high-energy state.
C.A technique for destroying atoms or molecules.
D.An instrument for measuring light waves.
第10题
Which one of the following describes the similarity between the stack and the queue?(75)
A.logical characteristics
B.physical characteristics
C.operation method
D.element type
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