A、 Because there are only half a million elephants in Africa.
B、 Because the elephant population in Asia has declined .
C、 Because it can save over 20,000 elephants a year.
D、 Because lt will help preserve endangered(濒危的) elephants.
答案：D
A、 Because there are only half a million elephants in Africa.
B、 Because the elephant population in Asia has declined .
C、 Because it can save over 20,000 elephants a year.
D、 Because lt will help preserve endangered(濒危的) elephants.
答案：D
A. It has become a global focus.
B. It includes a series of new technologies.
C. Itis a comprehensive resolution.
D. It is an ambitious research program.
A. The woman＇s boss.
B. The woman＇s boyfriend.
C. The woman＇s brother.
D. The woman＇s advisor.
A. They give deep thoughts before they make choice.
B. They make a balance between love and work.
C. They give more importance to their love life.
D. They give more importance to their work.
A. if
B. as
C. while
D. since
A. Careful.
B. Positive.
C. Friendly.
D. Uncertain.
A. Lifelong love.
B. Good relationships.
C. Good health.
D. A good job.
A. The police dismissed the witnesses＇ words.
B. The police found the witnesses＇ words very helpful.
C. The witnesses told different stories from varied perspectives.
D. The witnesses told the police about different accidents.
A. was able to pass
B. must have passed
C. could have passed
D. might be able to pass
A. To listen to Rowling＇s speech on writing.
B. To learn more about Harry Potter while traveling in the UK.
C. To write an essay on Harry Potter films.
D. To read Harry Potter books before taking a written test.
A. Areal broomstick (扫帚)
B. An air ticket to Great Britain.
C. A$5,152 scholarship.
D. Three credits (学分)
