Which of the following readings should you read slowly and carefully?
[A] Fairy tales.
[B] Aesop's Fables.
[C] Directions for use of a machine.
[D] An evening paper.
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The losses caused by the fires include
[A] 63 men dead.
[B] 26 men injured.
[C] 7,000 heads of livestock dead.
[D] 7 million hectares of forest destroyed.
四、根据以下资料,回答116~120题.
116.与2006年相比,2008年全国各海区倾倒疏浚物是2006年的().
A. 172.9%
B. 137.3%
C. 72.9%
D. 37.3%
With the (39 ) evolution of society, simple counting became necessary. A tribe had to know how many members it had and how many enemies, and shepherd needed to know (40 ) the ; flock of sheep was decreasing in size. Probably the earliest way of keeping a count was by some simple tally (计算, 记录) method, (41 ) the principle of one-to-one correspondence. In(42 ) a count of sheep, for example, one finger per sheep could be (43 ) . Counts could also be (44 ) by making scratches in the dirt or on a stone, by cutting notches in a piece of wood, or by tying knots in a string. (45 ) , perhaps later, an assortment of vocal (46 ) was developed as a word tally against the number of objects in a small group. And (47 ) later, with the development of writing, a set of(48 ) was invented to stand for these numbers. Such an imagined development is (49 ) by reports of anthropologists in their studies of present-day societies that are (50 ) to be similar to those of early humans.
31.
[A] after
[B] before
[C] ahead
[D] ago
以下关于高嵌体的说法哪项不确切
A. 可用作咬合重建
B. 主要靠钉洞固位
C. 只能用于后牙
D. 磨牙常用4个钉洞固位
E. 面应预备出至少0.5~1.0mm