- 阅读理解。Monarch butterflies (黑脉金斑蝶) are a common summer sight in the northern United States and Canada.These l...
- 阅读理解。The fiddler crab (蟹) is a living clock. It indicates the time of day by the colour of its skin, which is d...
- 阅读理解。Apparently, we are safe neither at home nor in the business office. We use water in both places, but theres...
- 阅读理解。It is thought that crying is hardly an activity encouraged by society. Tears, whether they are of sorrow,an...
- 阅读理解。Dear College Dean,It is my understanding that this college has received a large donation to be used to enha...
- 根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。SELF STUDY TIPSHowever difficult yo...
- 阅读理解。Every baby born a decade from now will have its genetic code (基因编码) mapped at birth, the head ofthe wor...
- 语法填空。阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填...
- 阅读理解。Increasingly over the last few years, we have become familiar with the range of small electronic devicesor ...
- 阅读理解。Can you believe your eyes? A recent experiment suggests that the answer to that question may dependon your ...
- 阅读理解。I once had my Chinese MBA students brainstorming on "two-hour business plans". I separated theminto six gro...
- 阅读理解。Poorer children would be offered the chance to attend lessons on Saturday to help catch up with theirmiddle...
- 阅读理解。Since the gene, called DAF: 16 in worms, was found in many animals and in humans, the finding couldopen up ...
- 阅读表达。阅读下面短文,请根据短文后的要求进行答题(请注意问题后的字数要求)。[l]The harmful effects on children were...
- 阅读理解。As they migrate (迁移), butterflies and moths choose the winds they want to fly with, and they changetheir ...