【判断题】Both letter-quality and dot-matrix printers are impact printers.
【单选题】随机事件是指什么?
E.
在一次实验中可能发生也可能不发生的事件,其发生概率0
【单选题】Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and question...
B.
He doesn’t like the style.
C.
He doesn’t like the color.
D.
It is of poor quality.
【单选题】Section A Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues an...
B.
He doesn’t like the style
C.
He doesn’t like the color
【单选题】某一高胆固醇血症的患者,经口服考来烯胺后,血清胆固醇含量降低,其可能机制为
A.
减少胆汁酸的重吸收,解除其对3α-羟化酶抑制
B.
减少胆汁酸的重吸收,解除其对7α-羟化酶抑制
C.
增加胆汁酸的重吸收,解除其对12α-羟化酶抑制
D.
增加胆汁酸的重吸收,解除其对7α-羟化酶抑制
【单选题】肝细胞可利用乙酰CoA为原料合成酮体供肝外组织所利用,此过程每生成一分子乙酰乙酸,消耗多少分子乙酰CoA15.某一高胆固醇血症的患者,经口服考来烯胺后,血清胆固醇含量降低,其可能机制为( )
A.
减少胆汁酸的重吸收,解除其对3a-羟化酶抑制
B.
减少胆汁酸的重吸收,解除其对7a-羟化酶抑制
C.
增加胆汁酸的重吸收,解除其对12a-羟化酶抑制
D.
增加胆汁酸的重吸收,解除其对7a-羟化酶抑制
E.
减少胆汁酸的生成,解除对 HMGCOA还原酶的抑制