Questions 22-25 are based on the following passage. What is the "lead" in a pencil made of.’
A: Diamond.
B: Carbon.
C: Lead.
D: Graphite.
A: Diamond.
B: Carbon.
C: Lead.
D: Graphite.
举一反三
- Questions 22-25 are based on the following passage. What was the dream of the early miners.* A: They wanted to get as much diamond as they could. B: They wanted to make their fortunes. C: They wanted to find a large diamond. D: They wanted to find the Cullian Diamond.
- Questions 22-25 are based on the following passage. What is in great demand in factories A: Diamonds. B: Diamond dust. C: Big diamond stones. D: Hard steel.
- Although<br/>pencils______are<br/>made of graphite and not of lead,the term “lead pencil”has<br/>come to<br/>be widely used. A: supposedly B: still C: everywhere D: genuinely
- Questions 22 - 25 are based on the following passage. What was Janet’s mother A: A housewife B: A singer C: a teacher D: A musician
- Questions 22 to 25 are based on the following passage. What is the concern of ordinary people about the "Greenhouse Effect" A: Whether it can be detected and checked. B: Whether it will lead to widespread food shortage. C: Whether global warming will speed up in the future. D: Whether it will affect their own lives.