how is a current produced ?

[单选题]H．ow do the public feel about the current economic situation?A． Optimistic.B． Confused.C． Carefree.D． Panicked.

[单选题]_______________[A] created [B] produced [C] contributed [D] preferred

[单选题]The heat that is produced by burning garbage can be used to______.A． make electricityB． make energy sourceC． boil waterD． save coal

[单选题] Document outputs are produced on （71） , devices that produce text or images on paper.（71）A． display and keyboardB． mouse and keyboardC． scanners and plottersD． printers and plotters

[单选题]D．ocument outputs are produced on(75) , devices that produce text or images on paper.A．mouse and keyboardB．scanners and plottersC．display and scannersD．printers and plotters

[单选题]D．ocument outputs are produced on(71), devices that produce text or images on paper.A．display and keyboardB．mouse and keyboardC．scanners and plottersD．printers and plotters

[单选题]The place where the goods are produced is______A . place of originB . place of orderC . place of interestD . place of issue

[问答题] 产地检疫（Produced-areaQuarantine）

[单选题]The test produced [disappointing]results.A.indirectB.similarC.positiveD.uns

[单选题]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and _____.A．slightly acidicB．slightly alkalineC．no saltyD．slightly bitter