A: avoid
B: prevent
C: expect
D: deny
举一反三
- 4. A month ago, I wrote to the store complaining about its bad service, but I haven’t gotten a ______. A: key B: reaction C: response D: news
- If the reaction of 2A+B → C is a elementary reaction, which choice listed below is true? A: it is a second order reaction B: it is a slow reaction C: it is a second order reaction to B D: it is a second order reaction to A
- Although the medicine tastes ______, it seems to help my condition. A: bad B: badly C: too much bad D: too badly
- It is known that the chemical reaction A + B → C + D is a elementary reaction, then it can be inferred that the total order of this reaction is 2.
- bloodpressure,breathe,immunesystem,medicine,overacts,reaction,thestingAnallergicreactiontoabeestingmeansthattheperson’sbody________.The________makesantibodiestoprotecttheperson,butthe________istoostrong.Asaresult,thereispainandswellingalloverthebody,notjustwhere________is.Theperson’s________maydrop.Heorshemayfinditdifficultto________.Heorshecandieifno________isgiventostopthereaction.
内容
- 0
Which<br/>of the following reactions can occur in tropane alkaloids?() A: vitali<br/>reaction B: complexation<br/>reaction C: coordination<br/>reaction D: precipitation<br/>reaction E: condensation<br/>reaction
- 1
Which one of the following enzymatic reactions is reversible? ( ) A: The reaction catalyzed by glycogen phosphorylase B: The reaction catalyzed by phosphoglycerate kinase C: The reaction catalyzed by pyruvate kinase D: The reaction catalyzed by fructose bisphosphatase-1 E: The reaction catalyzed by hexokinase
- 2
After taking barbiturates, the second morning, the patient feels hangover. This belongs to: A: Residual effect B: Side reaction C: Toxic reaction D: Allergic reaction E: Secondary reaction
- 3
According to paragraph three, what can we learn about the experiment A: 30% of the patients take placebos. B: The effect of placebo has nothing to do with the dose. C: Patients feel still better if they are given two instead of one placebo. D: Patients know they are taking placebos rather than real drugs.
- 4
The extreme crises people met in more primitive days are the choices between _____.（ ） A: chemical reaction and physical reaction B: life and death C: short-term reaction and long-term reaction D: fight and flight