[单项选择]Everyone in the class participated in the farewell party.
A. contributed to
B. took pleasure in
C. took part in
D. enjoyed

[单项选择]Everyone in the class knows that Peter is always ______ for appointments.
A. impartial
B. impatient
C. punctual
D. impressive

[单项选择]It is my hope that everyone in this class should ________ their errors before it is too late.
A. refute
B. exclude
C. expel
D. rectify

[单项选择]Mike participated in all the following activities EXCEPT ______


A. hiking
B. canoeing
C. swimming
D. camping

[单项选择]Steve participated in all the following activities EXCEPT______


A. hiking
B. canoeing
C. swimming
D. camping

[单项选择]More than one million Americans participated in the six-year study.

[单项选择]He participated in the reconstruction of the city______ the war was over.
A. before long
B. soon after
C. long after
D. soon before

[单项选择]

Say goodbye to the Mountain Gorilla. Say farewell to the Short Tailed Chinchilla.
That’s the conclusion of the United Nations Environment Program’s (UNEP) Third Global Environmental Outlook Report. The report was compiled (编写) for the UN from the work of 1 100 scientists. It predicts the state of the planet in the year 2032 based on the policies and practices of the last 30 years. If these continue, UNEP says, we’re going to be living on a very lonely planet. By 2032, one quarter of the world’s mammal species (哺乳动物种群) will disappear. They will be joined by 12% of the world’s bird species. And according to UNEP, 5 611 species of plants will also be wiped out-but since only 4% of the world’s plant species have been examined in detail, that figure will probably be much higher.
UNEP blames a variety of causes, from poverty and overpopulation to pollution, global warming and profit-driven economic and trade policies. But ther
A. National parks.
B. Global warming.
C. Overpopulation.
D. Chemicals.