托福考试

【单选题】The portrayal of everyday life in the objects of folk art makes it （） valuable source of history. 
A. and a 
B. so that a 
C. a 
D. is a 

【单选题】rAin is slight ACiDiC EvEn in unpollutED Air, BECAusE CArBon DioxiDE in thE AtmosphErE AnD othEr nAturAl ACiD-Forming gAsEs DissolvE in thEwAtEr.

【单选题】ADvErtising's primAry oBjECtivE is to prEsEll A proDuCt, thAt is, to ConvinCE ConsumErs to purChAsE An itEm BEForE thEy ArE ACtuAlly sEE AnD inspECt it.

【单选题】 (Different fourteen) crops were (being grown) 8,600 years (ago) by some of the world's earliest (farmers).
A．Different fourteen
B．being grown
C．ago
D．farmers

【单选题】 The word "appealing" in line 22 is closest in meaning to
A．( dependable
B．( respectable
C．( enduring
D．( attractive

【单选题】 ________ is not clear to researchers.
A．Why dinosaurs having become extinct
B．Why dinosaurs became extinct
C．Did dinosaurs become extinct
D．Dinosaurs became extinct

【单选题】 The word "laborious" in line 8 is closest in meaning to
A．( unfamiliar
B．( primitive
C．( skilled
D．( difficult

【单选题】 Il a voulu faire le tour du monde à pied . Sa femme s'en inquiétait beaucoup .Elle coyait que c' était une périlleuse.
A．entreprise
B．société
C． annonce
D．démarche

【单选题】 In (the early) nineteenth century, the Cherokee nation of American Indians (was adopted) a written constitution (based) on (that) of the United States.
A．the early
B．was adopted
C．based
D．that

【单选题】 In the early 1900's Pennsylvania's (industries) grew rapidly, a (growth sometimes) (accompanied) by (disputes labor).
A．industries
B．growth sometimes
C．accompanied
D．disputes labor