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 _____ problem is to unite all the members and go on with our cause.A. principle B. principal C. primarily D. chiefly

[单选题]The experiment showed that the smaller fish .A． fought over a feast B. went on diet willinglyC． preferred some extra food D. challenged the boss fish

[单选题]If the variance of the sampling distribution of an estimator is smaller tha

[单选题]All else held constant, the width of a confidence interval is most likely t

[试题]We are all______(ignore)of the reasons for her absence.

[单选题]When does a pilot say “ Make all lines fast”? ________A．The ship is about to be in positionB．The ship is very close to the berthC．The ship is on voyageD．The ship is in position

[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]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]A． deeperB． fewerC． nearerD． smaller

[单选题]People are movingfrom [major] cities to smaller ones.A.bigB.importantC.heav