下列促进剂中,属于秋兰姆类促进剂的是(______)。
A. DM
B. CZ
C. TMTM
D. ZDC
下列橡胶中具有良好自粘性和互粘性的是(______)。
A. NR
B. IIR
C. BR
D. SBR
According to Francis Bacon, what do studies serve for?
A. Studies serve for money, for rank, and for fame.
B. Studies serve for joy, for happiness, and for joviality.
C. Studies serve for delight, for ornament, and for ability.
D. Studies serve for convenience, for comfort, and for content.
According to Francis Bacon, what shouldn’t we deal with studies?
A. Spend too much time in studies.
B. Use studies too much for ornament.
C. Make judgment wholly by their rules.
D. All of the above
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