概论What can be inferred from the sentence "Growth rates in that range may be the envy of rece
尔雅According to the text, which of the following is NOT the phenomenon caused by the economic
学习Africa's elephants are divided between the savannahs of eastern and southern Africa and th
通题What does "poaching" mean （Para 1, Line 4) ？A．Hunt or kill legally.B．Die in serious drough
库及According to the text, what is the intention of the Convention on International Trade in E
答案What does "hemorrhaging elephants" refer to in the third paragraph？A．Elephants are being p
艺术According to the text, which of the following is correct？A．African countries are not capab
概论The empty house, in a middle－class corner of southern California, is two storeys high and
尔雅Which is correct according to the second paragraph？A．Mosquitoes carrying West Nile virus w
学习A．Sex discrimination in the US troops is far less obvious than in other fields of Amer
库及听力原文：M: I'm talking to Janet Holmes who has spent many years negotiating for several w
艺术A．Americans prepare more points before negotiations.B．Americans are more straightforwa
A．The British.B．Germans.C．Americans.D．Not mentioned.
听力原文：In urban areas, cars produce thousands of tonnes of lead in their exhaust fumes.
A．The toys cost a large sum of foreign currency.B．The paint on the toys was found to c
A．Get angry more easily and even more violent.B．Be inactive and lack energy.C．Have dif