Directions:
Read the following passage. For each numbered blank there are four choices marked A, B, C and D. Choose the best one anti mark your answers on ANSWER SHEET 1.
Paper is different from other waste produce because it comes from a sustainable resource: trees. (21) the minerals and oil used to make plastics and metals, trees are (22) . Paper is also biodegradable, so it does not pose as much threat to the environment when it is discarded. (23) 45 out of every 100 tonnes of wood fibre used to make paper in Australia comes from waste paper, the rest comes directly from virgin fibre from forests and plantations. By world standards this is a good (24) since the world-wide average is 33 percent waste paper. Governments have encouraged waste paper collection and (25) schemes and at the same time, the paper industry has responded by developing new recycling technologies that have (26) even greater utilization o
A. Despite
B. Unlike
C. With
D. Even
| The invention of both labor-saving
tools and tools of intelligence is rarely accidental. Instead, it is usually the
product of human need; (21) is truly the mother of
invention. People usually devise tools to (22) for natural
deficiencies. For example, people invented weapons to defend (23)
from physically superior (24) . But (25)
is only one incentive for inventions. People also invent
(26) tools to (27) certain established
tasks more efficiently. For instance, people developed the bow and arrow from
the (28) spear or javelin in order to shoot (29)
and strike with greater strength. (30) A. imagination B. creativity C. necessity D. illusion 我来回答: 提交
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