问题 选择题

下列消化液中,都含有消化脂肪的酶的是(  )

A.胰液和肠液

B.肠液和胃液

C.胰液和胆汁

D.唾液和肠液

答案

唾液里面含有唾液淀粉酶,能对糖类进行初步的化学性消化,将糖类初步消化成麦芽糖.胃液里面含有胃蛋白酶,能对蛋白质进行化学性消化,对脂肪和糖类不能消化.肠液里面含有胰腺、肠腺等分泌的多种消化液,能对糖类和蛋白质、脂肪进行化学性消化;胰腺分泌的消化液含多种消化酶,能对糖类和蛋白质、脂肪进行化学性消化.

胆汁是由肝脏分泌的,里面不含消化酶,但能够乳化脂肪,将较大的脂肪颗粒乳化为脂肪微粒,增大与消化酶的接触面积,对脂肪进行物理性消化.

故答案为:A.

单项选择题
单项选择题

Egyptian wine has an extensive history within the history of Egyptian civilization. Grapes were not (1) to the landscape of Egypt, rather the vines themselves are (2) to have been imported from the Phoenicians, (3) the actual origins remain in (4) . What is known, is that (5) the third millennium BC, Egyptian kings of the first (6) had extensive wine cellars, and wine was used extensively in the temple ceremonies. The main (7) of wine in Egypt, took place between the king, nobles, and the priests in temple ceremonies, and is (8) by numerous painted relief’s, and other (9) evidence. The vineyards of ancient Egypt, were quite different from the modern methods of wine making today. (10) viticulture ( or wine making), ceased to (11) an exclusively ceremonial purpose, the Egyptians began to experiment with simple structures for their vines to train on, (12) found a way to train their vines so they were easy low (13) bushes, and found ways for the soil to (14) more moisture for the vines. Egyptian wine making experiments included the use of different wine presses, adding heat to the must ( the grape juice ready for fermentation) (15) make the wine sweet, and differences in vat types and materials. The (16) finished product of wine, was poured through a cloth filter, and then into earthenware jars, (17) they would be sealed with natural tar and left to (18) . The Egyptians kept accurate records of their vintages, and (19) of their wines, each jar of wine was clearly (20) with it’s own vintage, and quality.

16()

A.final

B.end

C.eventual

D.ultimate