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【单选题】
10.丙二酸对于琥珀酸脱氢酶的影响属于:
【单选题】
脂肪酸间的比例包括两个方面:一是饱和脂肪酸、单不饱和脂肪酸、多不饱和脂肪酸之间的比例;二是n-6和n-3多不饱和脂肪酸之间的比例,以下说法不正确的是
①
饱和脂肪酸、单不饱和脂肪酸、多不饱和脂肪酸之间的比例为1:1:1
②
是n-6和n-3多不饱和脂肪酸之间的比例为(4-6):1
③
是n-3和n-6多不饱和脂肪酸之间的比例为(4-6):1
④
成年人每日膳食脂肪供能为总能量的20%~30%
【判断题】
枸溶性磷肥是指能溶于2%的柠檬酸或中性柠檬酸铵溶液的磷肥。
【单选题】
油脂中的脂肪酸分为两大类,即饱和脂肪酸和不饱和脂肪酸,脂肪酸是决定油脂的( )和性状的标准。
【单选题】
膳食中的脂肪酸主要以( )碳脂肪酸为主
【单选题】
Everyone of them _______ tired and wanted a good rest.
【单选题】
Peter: How about going to the movies tonight then?Mary: ____
②
The movie is very interesting.
④
The movie is very boring.
【单选题】
John was going to _______ Mary by telling his friends how much weight she had gained.
【单选题】
The classroom is quite clean ____ some waste paper on the floor.
【单选题】
-- What day is today?-- Today is ______ .
【单选题】
All the men were under heavy____ working day and night
【单选题】
—I’ve got an offer in New York. —Oh, ____! But I’m going to miss you.
【单选题】
The ____child was learning to walk again gradually.
【单选题】
You never told us why you were one hour late for the last meeting, ____?
【单选题】
Rapid reading means reading something fast just to ____ the general idea.