The author thinks that replacing gas with corn ethanol is.

A． impracticalB. acceptable C. admirable D. useless

[单选题]The author thinks that the influence of hard times on society is____.[A]certain[B]positive[C]trivial[D]destructive

[单选题]The author thinks that the Hutton enquiry is _____.［A］ also beside the mark［B］ hopelessly wrong［C］ illuminating in its way［D］ wide in scope

[单选题]The author thinks that with full government fundingA． teachers are less satisfiedB． students are more demandingC． students will become more competentD． teachers will spend less time on teaching

[单选题]The author thinks you should choose the college that is _______ .A． well-equipped B. competitive C. suitable D. famous

[单选题]In the text, the author mainly deals with _________.［A］ the necessity of drama in a culture［B］ some social functions of dramas［C］ the responsibility of dramatists［D］ some key elements in drama-making

[单选题]In the author's opinion, Wagoner thinks GM's future is_____.（ ）[A] foreseeable[B] uncertain ()[C] bright[D] bleak

[单选题]When replacing a thermostatic expansion valve sensing bulb, it is necessary toA．apply a light film of oil to increase heat transferB．apply a light film of oil to prevent oxidationC．apply a heavy coating of grease to function as a heat sinkD．carefully

[单选题]Before replacing a piston you should check the rings to see that all clearances and gaps are within the permissible （）.A . deflectionB . discrepancyC . errorD . tolerance

[单选题]The writer of the passage thinks that ______.A． it is true to say artists fail in their workB． it is untrue to say artists fail in their workC． it is true to say some artists fail in their workD． it is true to say only painters fail in their work

[单选题]A （）is the foundation of the engine, without the support of which the shaft alignment in particular, and engine structure as a whole, would inevitably be lost.A . FrameB . BedplateC . CylinderD . Liner