这里which引导定语从句修饰 主语Vitamin D, when引导状语从句, 将它们先去掉。 首先, 整理 句子的主干, 即Vitamin D is produced, 由于维生素是被生产的, 所以用被动语态。 其次, 看定语从句, which指代维生素D, 句意 为身体需要维生素D来吸收钙,定语从句前后用逗号隔开,故选C。
【题目】Green leafy vegetables contain Vitamin E, whichfight chemicals produced in the bodythat damage cells. A. is believed to help B. believes to helpC. is believed to be helpingD. is believed to have helped 答案 【解析】解:选A是被人们认为,所以用被动语态,句意为:绿叶蔬菜含有维生素E,被...
The vitamin which is generally excreted by human in urine is? Urinary Diseases: Urinary diseases are a group of related diseases that targets the urinary tract of an individual. The urinary tract includes the kidneys, ureters, urethra, and bladder. The pair of kidneys act as the main orga...
Which of the following is produced by genetically engineered bacteria: View Solution Which of the following human gland produces Insulin? View Solution Which of the following vitamin synthesise in animal body by bacteria : View Solution Which of the following is a symbiotic bacteria? View Solution ...
PROBLEM TO BE SOLVED: To obtain the subject composition capable of remarkably improving stability of a fat-soluble vitamin and forming a sufficiently stable emulsion without passing through a heating process, by adding the vitamin to an oil phase to be added.渡邉 裕子...
Vitamin D,which the body needs in order to absorb calcium,is produced when skinis exposed to ultraviolet rays. A. calcium,is produced B. calcium,and is produced C. calcium,producing it D. calciumand produces E. calciumand produces it ...
It is produced in sufficient quantities by bacteria in the intestine, but is also provided by leafy green vegetables and eggs. The water-soluble vitamins, C and B complex, cannot be stored and therefore need to be consumed daily to satisfy the body's needs. Vitamin C is important in the ...
Vitamin D gets produced when animals are exposed to direct sunlight for_reason it is always advisable to give them chances to spend time in the sun. A. whose B. that C. which D. its
Question: Which of the following is produced in the kidneys? a. Aldosterone. b. Antidiuretic hormone. c. Atrial natriuretic factor. d. Renin. Renin-Angiotensin-Aldosterone System: The Renin-Angiotensin-Aldosterone System is a complex multi-organ hormone...
Fill in the blanks. The platelets also contain ___, which, when released, causes smooth-muscle ___ and ___ blood flow. Platelets: Platelets or thrombocytes are cell fragments that are one of the formed elements of blood. There are about 250-400 thous...