听录音,回答以下问题。 Opportunities for rewarding work become__________for both men and wo
A.more
B.fewer
C.stable
A.more
B.fewer
C.stable
Father went to his doctor for _____ about his hearing trouble. |
[ ] |
A. an advice B. advice C. advices D. the advices |
【填空题】AV Clip 2: The Value of VitaminsAV 1+2 The Value of Vitamins.mp4 Watch the video clip three times and complete the following passage by filling in each blank with the word from the video clip. For lipid-soluble vitamins, dissolved in fat and found in foods like diary, butter and oils, this trip into the (1) ________ is a little more adventurous. These vitamins make it through the stomach and the (2) _________, where an acidic substance called bile flows in from the liver, breaking up the fat and preparing it for (3) _________ through the intestinal wall. Because fat-soluble vitamins can’t make use of the blood’s (4) ________ nature, they need something else to move them around, and that comes from (5) ________ that attach to the vitamins and act like couriers, transporting fat-solubles into the blood and around the body. So, this difference between water- or fat-soluble vitamins (6) ____________ how they get into the blood, but also how they’re stored or (7) ___________ from the body. The system’s ability to circulate water-soluble vitamins in the bloodstream so easily means that most of them can be passed out equally easily via the (8) _______. Because of that, most water-soluble vitamins need to be replenished on a daily (9) ____________ through the food we eat. But fat-soluble vitamins have (10) __________ power because they can be packed into the liver and in fat cells. The body treats these parts like a pantry, storing the vitamins there and rationing them out when needed, meaning we shouldn’t overload on this type of vitamin because the body is generally well stocked.
A.A better than any of their follower
B.B copied many times by their follower
C.C quickly accepted by consumer
D.D designed for a particular marke
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