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Which substance in cigarette causes cancer？
A．Cigarette ashes.
B．Nicotine.
C．Tar.
D．Not mentioned here.
答案
更多“Which substance in cigarette causes cancer？A．Cigarette ashes.B．Nicotine.C．Tar.D．Not mentio”相关的问题
第1题
Which substance in cigarette causes cancer？
[A] Cigarette ashes.
[B] Nicotine.
[C] Tar.
[D] Not mentioned here.
第2题
(a) I2(b) NaOCl (c) K2Cr2O7(d) KMnO4
第3题
A．Y
B．N
C．NG
第4题
A.An economic resource owned (or controlled) by a business and expected to benefit the future operations.
B.An economic resource representing the right to receive cash in the near futur
C.Something owned by a business that can’t be valued fairly
D.Something with physical substance which is valued at cost in the accounting records.
第5题
A．that
B．on which
C．where
D．when
第7题
A．Foam composites B．Laminar composites
C．Nanocomposites D．Sandwich composites
第8题
The author gives substance to the passage through the use of______.
A．interviews with authorities in the field of water controls
B．definitions which clarify important terms
C．opinions and personal observations
D．strong arguments and persuasions
第9题
A．Lipoproteins.
B．Cholesterol.
C．Both.
D．Neither.
第10题
A．Chemical disinfectants.
B．Bacteria.
C．Fungi.
D．Pentachlorophenol.
