Experts have waited a considerable amount of time for this much-needed book. Now we have a new and very thorough survey of wetland plant species. The content is extensive and totally up-to-date and as reference ________. It represents extremely good value. In addition to the editors, there are 35 well-chosen contributors who have put in a tremendous amount of work to __________ the reader with maps and indexes, and colorful photographs. The plant descriptions are straightforward, yet scholarly, and flicking through the pages, _________ the writers’ passion for the subject. Each of the eight sections has an overview, __________ current concerns and future conservation plans. Despite a few gaps and the occasional unsatisfactory illustration, this handbook will remind botanists and specialists of the importance of protecting the country’s plant life. __________ person interested in this topic, whether student or hardened expert, will find it indispensable.

(A) piece                      report                    book                           material

(B) manage                assist                     contribute                 hand

(C) it can sense         one sense            you can sense          he senses

(D) highlighting        focusing               bringing                     involving

(E) The other             Any one of            Every                          All

At the moment, there are between six and seven thousand languages in the world. According to linguists, fifty percent of these are in danger __________ extinct. The speed of language loss has accelerated over the past few decades because businesses that need to communicate with a range of people from other cultures __________ to employ more widely used languages, such as English, Chinese, or Spanish. This attitude is understandable, but it means that many local languages are dying out before anyone __________ the opportunity to study them. According to linguists, some of these languages could reveal a great __________ of useful information about language learning and cognitive development. In addition, a local language that has been built on the local culture contains words and phrases that express that culture; lose the language and you arguably may lose the culture, too. And finally, historians will ___________ that a language contains evidence of a region’s history and should, for that reason alone, be preserved.

(A) have become          to become              of becoming           became

(B) prefer                        fancy                         select                         must

(C) have                          would have             having had              has had

(D) size                            deal                            capacity                   load

(E) speak                         tell                             argue                         explore