简答题Which of the following is the most objective and concise? A、 If you can control the trains this way, they will be able to run more safely and quickly. B、The use of this method of control unquestionably leads to safer and faster train running. C、We can use this method to control the trains to make them run more safely and quickly. D、It is undoubted that trains can run more safely and quickly if they are controlled in this way.简答题Which of the following genres is characterized by high lexical density? A、Novels B、Letters C、Research papers D、News reports简答题What is the lexical density of the following sentence? "Systemic functional linguists have undertaken interesting research into the roles different types of people play in interactions." A、10:7 B、12:5 C、13:4 D、9:8简答题Which of the following is the most objective? A、We analyzed the experiment and what we found made us realize that the technique is quite complex. B、The analysis and findings of the experiment reveal that the technique is quite complex. C、Our analysis and findings of the experiment make me puzzled. D、The analysis and findings of our experiment show that the technique is too puzzling.多选题For the most formal expression, the underlined phrase in a sentence can be replaced by which of the following options? "One meter of fabric is enough to cover the exterior of an 18-in-diameter hatbox." A、plenty. B、much. C、sufficient. D、abundant.多选题For the most formal expression, the underlined phrase in a sentence can be replaced by which of the following options? "The price of meat has been going down steeply." A、dropping. B、declining. C、cut down. D、reducing.简答题Which of the following two sentences is the more objective? A、We present the improved version in Section 3. B、Improved version is presented in Section 3.简答题Which of the following is not the typical feature of research articles? A、Accuracy B、Conciseness C、Objectivity D、Vividness多选题For the most formal expression, the underlined phrase in a sentence can be replaced by which of the following options? "A clear container filled with 2 or 5-litres of colored liquid is placed at the starting point." A、clean. B、understandable. C、obvious. D、transparent.简答题Which of the following sentences is the most accurate? A、Development rate was fast in the high temperature treatment. B、Development rate was faster in the higher temperature treatment. C、Development rate was faster in the higher temperature treatment than in the lower temperature treatment. D、Development rate in the 30°C temperature treatment was ten percent faster than that in the 20°C temperature treatment.多选题Fill in the blank with the most formal word. "The scientists asked 200 passersby to estimate the angle of a set of stairs, and another 200 to do the same for an escalator—which, of course, requires no effort to ." A、go up B、rise C、climb D、ascend简答题Which of the following is not the feature of formal language? A、Long sentences. B、Frequent use of personal pronouns. C、Frequent use of professional jargons. D、Little use of contractions.多选题For the most formal expression, the underlined phrase in a sentence can be replaced by which of the following options? "The ability to put up with pain varies from person to person." A、tolerate B、bear C、stand D、accept