The experiment showed that the smaller fish .

A． fought over a feast B. went on diet willingly

C． preferred some extra food D. challenged the boss fish

[单选题]Why is it a problem if all the smaller fish species die?A． It's not healthy for the environment.B． People only like to catch big fish.C． There are too many small fish.D． The smaller fish can get lost in the lake.

[单选题]The experiment ______ the discovery of a cure for cancer.A． happened toB． led upC． resulted inD． set up

[单选题]Because the castings of smaller engines are not so big and heavy, （） and cylinder block may be made in one piece.A . the columnB . the jacketC . cylinder coverD . cylinder liner

[单选题]B．y mentioning the experiment in the second paragraph，the author implies that______.（ ）[A]our definition of what’s normal varies with gender[B]our focus of attention variesl with gender and age[C]our definition of what’s average changes over time[D]o

[单选题]My friend showed me round the town, was very kind of him.A． which B. that C. where D. it

[单选题]My friend showed me round the town,____________was very kind of him.A． which B. that C. where D. it

[单选题]Popular saying “cutting into smaller parts” is the most commonly seen () form.A . Time valueB . Location valueC . Added valueD . Distribution processing value

[单选题]The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.A． found outB． pointed outC． ruled outD． carried out

[单选题]The experiment was ______ easier titan we had expected.A． moreB． much moreC． muchD． more much

[单选题]The experiment ended in failure ______the lack of money.A． asB． byC． forD． with