托福考试

【单选题】A social system is （） of social relations that draws the behavior of its members toward the core values of the group. 
A. a complex network 
B. how a complex network 
C. a complex network and 
D. a network that is complex 

【单选题】 thE sEA ottEr is wEll ADAptED At its mArinE ExistEnCE, with EArs AnD nostrils thAt CAn BE ClosED unDEr wAtEr.

【分析解答题】Form thE outsEt, (thE) FormulAtion AnD tEAChing oF tEChniquE FigurED (prominEntly) in thE (DEvElopmEnt) oF AmEriCAn moDErn (DAnCEr).

【单选题】 Which of the following can be in
A．( Many scientists could be expected to disagree with it
B．( evidence to support the theory has recently been found
C．( The theory is no longer seriously considered
D．( Most scientists believe the theory to be accurate

【单选题】 The (earliest successful) sewing (machines) were powered by (turn) a (hand crank).
A．earliest successful
B．machines
C．turn
D．hand crank