验证码_
GWD-cr-1 A product that represents a clear technological advance over competing
播放量：93
发布时间：2023-07-15
GWD-cr-2 City Official: At City Hospital, uninsured patients tend to have short
播放量：17
发布时间：2023-07-15
GWD-cr-3 In the United States, of the people who moved from one state to anothe
播放量：11
发布时间：2023-07-15
GWD-cr-4 That the application of new technology can increase the productivity o
播放量：9
发布时间：2023-07-15
GWD-cr-5 In parts of South America, vitamin-A deficiency is a serious health pr
播放量：11
发布时间：2023-07-15
GWD-cr-6 The spacing of the four holes on a fragment of a bone flute excavated
播放量：23
发布时间：2023-07-15
prep 12-75 Certainly, pesticides can adversely affect the environment in locali
播放量：35
发布时间：2023-07-15
prep 12-74 An overwhelming proportion of the most productive employees at SaleC
播放量：14
发布时间：2023-07-15
prep 12-73 The Earth`s rivers constantly carry dissolved salts into its oceans.
播放量：4
发布时间：2023-07-15
prep 12-72 Which of the following most logically completes the argument? Yorco
播放量：5
发布时间：2023-07-15
prep 12-71 Electric utilities pay less for low-quality coal per ton delivered t
播放量：3
发布时间：2023-07-15
prep 12-70 Frobisher, a sixteenth-century English explorer, had soil samples fr
播放量：5
发布时间：2023-07-15
prep 08-2-122 Until now, only injectable vaccines against influenza have been a
播放量：27
发布时间：2023-07-15
prep 08-2-121 In Kravonia, the average salary for jobs requiring a college degr
播放量：7
发布时间：2023-07-15
prep 08-2-120 Yeasts capable of leavening bread are widespread, and in the many
播放量：9
发布时间：2023-07-15
prep 08-2-119 In the nation of Partoria, large trucks currently account for 6 p
播放量：3
发布时间：2023-07-15
prep 08-2-118 Which of the following most logically completes the passage? A ce
播放量：6
发布时间：2023-07-15
prep 08-2-117 Early in the twentieth century, Lake Konfa became very polluted.
播放量：5
发布时间：2023-07-15
prep 08-1-124 Which of the following most logically completes the argument? Res
播放量：31
发布时间：2023-07-15
prep 08-1-123 In the United States, of the people who moved from one state to a
播放量：4
发布时间：2023-07-15
prep 08-1-122 Personnel officer: The exorbitant cost of our health-insurance be
播放量：2
发布时间：2023-07-15
prep 08-1-121 Political advocacy groups have begun to use information services
播放量：4
发布时间：2023-07-15
prep 08-1-120 From 1973 to 1976, total United States consumption of cigarettes
播放量：4
发布时间：2023-07-15
prep 08-1-119 In a study conducted in Pennsylvania, servers in various restaura
播放量：7
发布时间：2023-07-15
prep 07-2-68 Leaders of a miners' union on strike against Coalco are contemplat
播放量：21
发布时间：2023-07-15
prep 07-2-67 Transnational cooperation among corporations is experiencing a mod
播放量：12
发布时间：2023-07-15
prep 07-2-66 The sustained massive use of pesticides in farming has two effects
播放量：3
发布时间：2023-07-15
prep 07-2-65 Treatment for hypertension forestalls certain medical expenses by
播放量：3
发布时间：2023-07-15
prep 07-2-64 To protect certain fledgling industries, the government of country
播放量：2
发布时间：2023-07-15
prep 07-2-63 Guitar strings often go ""dead""-become less responsive and bright
播放量：1
发布时间：2023-07-15
prep 07-1-72 United States hospitals have traditionally relied primarily on rev
播放量：31
发布时间：2023-07-15
prep 07-1-71 In many corporations, employees are being replaced by automated eq
播放量：12
发布时间：2023-07-15
prep 07-1-70 According to a review of 61 studies of patients suffering from sev
播放量：2
发布时间：2023-07-15
prep 07-1-69 Excavation of the ancient city of Kourion on the island of Cyprus
播放量：1
发布时间：2023-07-15
prep 07-1-68 Manufacturers sometimes discount the price of a product to retaile
播放量：7
发布时间：2023-07-15
prep 07-1-67 A drug that is highly effective in treating many types of infectio
播放量：2
发布时间：2023-07-15
ad-247 Clearbell Telephone provides slow-dialing (SD) service to customers for
播放量：30
发布时间：2023-07-15
ad-246 There are fundamentally two possible changes in an economy that will eac
播放量：14
发布时间：2023-07-15
ad-245 A company's personnel director surveyed employees about their satisfacti
播放量：6
发布时间：2023-07-15
ad-244 Exports of United States wood pulp will rise considerably during this ye
播放量：11
发布时间：2023-07-15
ad-243 Under the agricultural policies of Country R, farmers can sell any grain
播放量：12
发布时间：2023-07-15
ad-242 Pharmaceutical companies spend more than ever on research and developmen
播放量：10
发布时间：2023-07-15
OG21-653 A successful coffee stand that serves the workers in a large office bu
播放量：25
发布时间：2023-07-14
OG16-98 Networks of blood vessels in bats` wings serve only to disperse heat ge
播放量：59
发布时间：2023-07-14
OG16-99 Keith: Compliance with new government regulations requiring the install
播放量：8
发布时间：2023-07-14
OG16-95 Commentator: The theory of trade retaliation states that countries clos
播放量：6
发布时间：2023-07-14
OG16-96 Hotco oil burners, designed to be used in asphalt plants, are so effici
播放量：9
发布时间：2023-07-14
OG16-80 To protect certain fledgling industries, the government of Country Z ba
播放量：10
发布时间：2023-07-14
OG22-652 Arts advocate: Few universities require that students who are speciali
播放量：85
发布时间：2023-07-13
OG22-653 Ramirez: The film industry claims that pirated DVDs, which are usually
播放量：21
发布时间：2023-07-13
OG22-654 Harunia Province has a relatively dry climate and is attracting a fast
播放量：16
发布时间：2023-07-13
OG22-655 Loss of the Gocha mangrove forests has caused coastal erosion, reducin
播放量：30
发布时间：2023-07-13
OG22-656 Executives at the Fizzles Beverage Company plan to boost profits in Co
播放量：18
发布时间：2023-07-13
OG22-657 Economist: In 2015,the average per-person amount paid for goods and se
播放量：14
发布时间：2023-07-13
prep-12-75 Many industrail robots perform tasks that are ill-suited either to h
播放量：12
发布时间：2023-07-13
prep-12-74 Because of the Sun, which is 400 times larger than the Moon, but als
播放量：8
发布时间：2023-07-13
prep-12-73 Although improved efficiency in converting harvested trees into wood
播放量：5
发布时间：2023-07-13
prep-12-71 Inhospitable places on our planet, from steaming hot springs to the
播放量：6
发布时间：2023-07-13
prep-12-70 In July 1965 Mariner IV passed by Mars and took the first-ever close
播放量：2
发布时间：2023-07-13
prep-12-69 Laboratory rats and mice live up to 40 percent longer than usual whe
播放量：12
发布时间：2023-07-13