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英文 高中

想問25題BCD要怎麼選 謝謝 答案是B

Have you ever felt worse after taking a new medicatior)? Well, one study published in Scie might not be the drug's fault but may result from Translational Medicine suggests that such 21. the "inactive" ingredients in the drug, such as binding materials, dyes, preservatives, and flavoring in certain patients who are 24. agents. The report indicates that these inert ingredients can cause allergic reactions or adverse effects 22. such compounds as gluten, lactose, or special dyes. The study analyzed a database of more than 42,000 prescription medicines and over-the-counter medicines, finding that an average pill consists of eight inactive ingredients._23. some containing 20 or even more. Most of the worrisome ingredients are in small amounts in most medications, the tiniest amount can add up because 39 percent of the seniors have been found to take at least five prescription medicines daily. The study advises that color-free or preservative-free drug products. 25. priority to whether you have a known allergic reaction to an inactive ingredient or not. After all, the potential impact of these inert ingredients can never be underestimated. 21. (A) ineffectiveness (B) irresponsibility (C) imbalance D) disconnection D 22., (A) loaded with (B) opposite to (C) faint with (D sensitive to 62. (A) for B) with (D) despite B 24(A) accordingly (B) furthermore (C) though (D) namely e Berit ES A) are given (B) be given (C) must be given D) should give 第26.至30題為題組 (C) whereas +SV

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數學與統計 大學

急!求救 #6 8 9 如果需要酬勞可私下談 (ex.$70題)

pie participation in informal 6.The National Science Foundation (NSF) sponsored a study on girls' science, technology, engineering, or mathematics (STEM) programs. The results of the study were published in Cascading Influences: Long-Term Impacts of Informal STEM Experiences for Girls (March 2013). The researchers sampled 174 young women who recently participated in a STEM program. They used a pie chart to describe the geographic location (urban, suburban, or rural) of the STEM programs attended. Of the 174 participants, 107 were in urban areas, 57 in suburban areas, and 10 in rural areas. a.Determine the proportion of STEM participants from urban areas. b.Determine the proportion of STEM participants from suburban areas. c.Determine the proportion of STEM participants from rural areas. d. Multiply each proportion in parts a-c by 360 to determine the pie slice size (in degrees) for each location. e.Use the results, part d, to construct a pie chart for geographic location of STEM participants. f.Interpret the pie slice for urban areas. g.Convert the pie chart into a bar graph. Which, in your opinion, is more informative? 7. All high way bridges in the US are inspected periodically for structural deficiency by the FHWA. Data from the FHWA inspections are compiled into the National Bridge Inventory (NBI). Classify each variable below as quantitative or qualitative. a. Length of maximum span (feet). b. Number of vehicle lanes. c. Toll bridge (yes or no). d. Average daily traffic. e. Condition of deck (good, fair, or poor). f. Bypass or detour length (miles). g. Route type (interstate, U.S., state, county, or city) 8. The NBI data were analyzed and the results made available at the FHWA Web site. Using the FHWA inspection ratings, each of the 608,272 highway bridges in the US was categorized as structural deficient, functionally obsolete, or safe. About 13.5% of the bridges were found to be structural deficient, while 3.5% were functionally obsolete. a. What is the variable of interest to the researchers? b. Is the variable of part a quantitative or qualitative? c. Is the data set analyzed a population or a sample? Explain. d. How did the NBI obtain the data for the study?

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