托福考试

【单选题】 BECAusE it is oFtEn DEpEnDEnt oF thE ConDitions oF CrystAllizAtion, thE Composition oF thE minErAls in A roCk CAn BE importAnt in DEtErmining thE roCk's gEologiC history.

【单选题】 Magnesium (has little) structural strength and must be (alloyed) with another metals (such as) aluminum and zinc when it is (to be subjected) to stress.
A．has little
B．alloyed
C．such as
D．to be subjected

【单选题】 All of the following terms are defined in the passage EXCEPT
A．( Moon (line1)
B．( reflectivity(line3)
C．( regolith(line 16)
D．( rays(linel9)

【单选题】 New York City's (theatrical district) was (concentrated the) Bowery from 1860 to t875, and (around) 1900 the avenue (became) a center for the Yiddish theater.
A．theatrical district
B．concentrated the
C．around
D．became

【单选题】 The word "it" in line 12 refers to
A．( piano
B．( string
C．( blade
D．( music