哪个目的昆虫的前翅为膜翅,是全变态,蛹为围蛹?
参考答案:
双翅目
.He has been looking forward _______to England for a long time.
A.to going
B.to go
C.for going
D.to be gone
有程序段如下: STORE 0 T0 X,Y D0 WHILE.T. X=X+1 Y=Y+X IF X>=100 EXIT ENDIF ENDDO “Y=”+STR(Y,3) 这个程序的功能是 [1] 。