[Unit 6] Directions: The passage below is accompanied by several questions. Some blanks are problamatic and others are not. Please determine if the expressions should be improved or not.To obtain extracts, different techniques 1included homogenizer assisted (HAE), maceration (MAC) and infusion were used. In HAE, the plant materials (5 g) were extracted with solvents (100 mL of water or methanol) 2using a homogenizer at 6000×g for 5 min. In MAC, the plant materials (5 g) 3macerated with solvents (100 mL of water or methanol) for 24 h at room temperature. With respect to the infusion, the plant materials (5 g) were infused in 100 mL of 4boiled water for 15 min. Then, all extracts were filtered and solvents were evaporated. The 5drying extracts were stored at 4 °C until analysis.
查看答案
[Unit 6] Directions: Match the following verbs in the blanks to complete the text below.In one recent example, Epstein, Wilfley and colleagues 1________ a multisite, randomized controlled trial to study whether adding a social intervention to family-based behavioral treatment could improve long-term outcomes for 7- to 11-year-old children with obesity. All of the participants 2________ a four-month family-based weight-loss program. Then two groups of the families participated in a social facilitation maintenance (SFM) program, in which they 3________strategies to enlist social supports and to maintain healthier habits in social contexts such as at school, when dining out at restaurants and while hanging out with friends. One group participated in 32 sessions of SFM, while the other 4________ 16 sessions of SFM. A control group received additional information on diet and exercise, without social facilitation training or skills instruction.Twelve months later, 64 percent of the children in the 16-session SFM program had reached clinically meaningful weight-loss targets. In the 32-session group, 82 percent of kids 5________ that goal. Just 48 percent of the children in the control group had reached the weight-loss targets a year later (JAMA Pediatrics, Vol. 171, No. 12, 2017).
[Unit 5] Directions: The passage below is accompanied by several questions, which ask you to determine how the expression of ideas can be improved.Adults report the fear of1public speechmore often than any other fear, 2 death being included(Dwyer & Davidson, 2012). This 3intrigued finding highlights a defining human characteristic: We are concerned with how others might perceive and evaluate us. Indeed, numerous studies show adults’ inclination to promote, enhance, and manage their own public image in the presence of others (Leary & Allen, 2011; Mead, Baumeister, Stillman, Rawn, & Vohs, 2011; Tennie, Frith, & Frith, 2010). For instance, adult participants tend to display 4enhancing performance in trivial tasks when others are watching as opposed to 5being alone (Cottrell, Wack, Sekerak, & Rittle, 1968; Triplett, 1898). Strong conformity to a majority judgment or opinion is also prevalent, even when such judgment is blatantly wrong or untrue (Asch, 1956; Chartrand & Bargh, 1999; Cialdini & Trost, 1998).
[Unit 5] Directions: Complete the following sentences using the words in the box below. Change the form where necessary.
[Unit 6] Directions: Match the word in the left-hand column with the expression in the right-hand column.