【简答题】大白菜有“____”的美誉,有“____”之说;芹菜有“____”“____”之称;章丘大葱称为“____”;胡萝卜民间有“____”之誉。
【简答题】填空题1某温度仪表的测温范围为0~600℃,已知测温误差小于±4℃,计算该仪表的精度等级为________(只填数字,带小数)级。
【简答题】Read the paragraphs below. Then carefully consider the questions that follow, and, choose the letters of the best responses. A. 1A successful doctor is scheduled to operate on a patient at 8 a.m., but...
【简答题】Read the paragraphs below. Then carefully consider the questions that follow, and, choose the letters of the best responses. 1 A successful doctor is scheduled to operate on a patient at 8 a.m., but i...
【单选题】Read the paragraphs below. Then carefully consider the questions that follow, and, in the spaces provided, write the letters of the best responses. A successful doctor is scheduled to operate on a pat...
A.
present facts on student behavior.
B.
inspire students to be conscientious.
C.
entertain students with a dramatic story about professionalism.
【单选题】某温度仪表的测温范围为0~600℃,已知测温误差小于±4℃,该仪表的精度是()。如果在测量过程中工艺要求测温误差小于±4℃,则选择( )精度的的温度仪表比较合适?
【单选题】多吃大白菜能防乳腺癌。美国纽约激素研究所的研究发现,中国女性的乳腺癌发病率比西方国家女性低得多,这是由于吃大白菜多的缘故。科学家发现,大白菜中有一种化合物叫吲哚-3-甲醇,它能使体内一种重要的酶数量增加,这种酶能帮助分解同乳腺癌相关联的雌激素,从而预防乳腺癌的发生。以下哪项如果为真,最能够反驳上述论证?()
A.
美国激素研究所并不是全世界最权威的研究机构,而且有时研究结果不精确
B.
吲哚-3-甲醇在人们常吃的食物中,只存在于大白菜之中
C.
吲哚-3-甲醇不易被人体吸收,进入人体后会很快随尿液排出体外