Which of the following commands is not

1、Which of the following is not correct?

Which of the following is not correct? （）AIt is useless to complain.BIt is useless complaining.CComplaining is useless.DIt is useless of complaining.

2、Which of the following is not responsi

Which of the following is not responsibility of DBA(Data Base Administrator)?ADatabase management system designBDatabase schema definitionCDatabase schema modificationDIntegrity constraint specification

3、Which of the following is NOT included

Which of the following is NOT included in the display at the Botanical Museum of Harvard University?A Models of 164 families of flowering plants.B Magnified details of flower parts.C Several species of native birds.D A group of diseased fruits.

4、Which of the following is NOT true?

Which of the following is NOT true?A Colour probably has an effect on us which we are not conscious of.B Our feelings about certain colours are purely psychology.C Food should never be packaged in brown.D Sugar sells badly in green wrappings.

5、Which of the following is not true?

Which of the following is not true?A Bernard Shaw didnt finish high schools，nor did Edison.B One must think carefully before pursuing a master...

6、Which of the following is not true of

Which of the following is not true of Ireland.s climate?（）AIt is dry.BIt is moist.CIt is mild.DIt is changeable