托福考试

【单选题】MostdoctorsoftheColonialperiodbelieved（）wascausedbyanimbalanceofhumorsinthebody.
A.indisease
B.thatdisease
C.ofdisease
D.aboutdisease

【单选题】Because of （） diversity, seven separate groupings or divisions of algae have been established by botanists. 
A. them 
B. so that 
C. those 
D. their 

【单选题】pAintErs oF thE EArly twEntiEth CEntury who wErE known primArily For thEy ColorFul lAnDsCApEs, thE group oF sEvEn ChAngED is nAmE to thE CAnADiAn group oF pAintErs in 1933.

【单选题】 The (modern) violin, the smallest (and versatile) instrument in the violin family, is (tuned) in fifths and produces tones (ranging) over four and a half octaves.
A．modern
B．and versatile
C．tuned
D．ranging

【单选题】 (By) 1899 Ransom olds had (establish) in Detroit, Michigan, the (first) factory in the United States for (the)manufacture of automobiles.
A．By
B．establish
C．first
D．the