Đây là đề luyện chuyên Anh 9, chỉ dành cho nhũng ai có khả năng làm và ít nhất từ lớp 9 trở lên. Đối tượng:Tất cả các thành viên Hoidap247 có khả năng làm và đáp ứng yêu cầu, nếu có thành viên BĐHH chuyên Anh, Mod Anh, chuyên gia Anh thì càng tốt. Yêu cầu:Giải thích đầy đủ, phân tích vế câu, cụm từ, ngữ pháp,...(nếu có). When you hear someone bubbling enthusiastically about an exotic species, you can safely bet the speaker isn’t an ecologist. This is a (11) for a resident of an established community that was deliberately or (12) moved from its home range and became established elsewhere. Unlike most imports, which can’t (13) hold outside their home range, an exotic species permanently insinuates (14) into a new community. Sometimes the additions are harmless and (15) have beneficial effects. More often, they make native species endangered species, which (16) definition are extremely vulnerable to extinction. Of all species on the rare or endangered lists or that recently became extinct, close to 70 percent (17) their precarious existence or demise to displacement by exotic species. Two examples are included here to illustrate the problem. During the 1800s, British (18) in Australia just couldn’t bond (19) the koalas and kangaroos, so they started to import familiar animals from their homeland. In 1859, in what would be the start of a wholesale disaster, a northern Australian landowner imported and then (20) two dozen wild European rabbits (Oryctolagus cuniculus). Good food and good sport hunting – that was the idea. An ideal rabbit habitat with no natural predators was the reality.