更多"Diamond is the hardest known substa"的相关试题:
[单项选择]Diamond is the hardest known substance, so diamonds can be cut only by another diamonds.
[单项选择]Enamel,the hardest substance in a human being's body,covers the entire crown of the tooth.
A. whole
B. inseparable
C. superficial
D. main
[单项选择]Enamel, the hardest substance in a human being’s body, covers the {{U}}entire{{/U}} crown of the tooth.
A. whole
B. inseparable
C. superficial
D. main
[单项选择]It is odd that so little is known about the talented painter.
A. surprising
B. unreasonable
C. strange
D. unbelievable
[单项选择]So far as is known, the original manuscripts of Shakespeare's plays are no longer in ______ .
A. evidence
B. emphasis
C. emergency
D. existence
[单项选择]In some not-so-well-known places, a book collector can ________.
A. read various and exciting books
B. find a comfortable place to read
C. make a delighting discovery
D. have difficulty in finding book-sellers
[单项选择]Which of the following titles is hardest to attain
A. Village Afternoon, Huge Oil Painting, 36" x 48" NR．
B. B．FINAL FANTASY X 10 TIDUS Necklace FFX US
C. Original Art Signed P．Townsend.
D. Antique Auto and their owners snapshots.
[单项选择]Which of the following is known as the first known settlers of Britain
A. The Iberians.
B. The Beaker Folk.
C. The Celts.
D. The Gaels.
[单项选择]They all study hard but she studies the hardest _____.
A. all
B. of all
C. in all
D. all in all
[单项选择]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
[单项选择]This substance reacts（）that one.
A. three times as fast as
B. as three times fast as
C. as fast as three times
D. three times as fast as
