2021年托福模拟试题(二)1

托福模拟试题（二）1

Section 2 Structure and Written Expression Time--25 minutes

The Structure and Written expression section is designed to

measure your ability to recognize language that is

appropriate for standard written English. There are two

types of questions in this section, with special directions

for each type. Structure Directions: Questions 1-15 are

inplete senten ___s. Beneath each senten ___ you will see

four words or phrases, ___rked (A), (B), (C),and (D).

Choose the one word or phrase that best pletes the senten

___. Then, on your answer sheet, ifnd the number of the

question and fill in the spa ___ that orresponds to the

letter of the answer you ahve chosen Fill in the spa ___ so

that the letter inside the oval cannot be seen. Look at the

following examples: Example I For ___ny ___nturies---the

principal raw ___terial Sample answer for ___ ropes and

sails. (A) then was hemp (B) the time hemp was (C) hemp was

(D) hemp The senten ___ should read, "For ___ny ___nries

hemp was the principle raw ___terial for ___ ropes and

sails." Therefore, you should choose (C). Example II The

sea anemone, a ___rine ani ___l related to the jelly fish,

Sample answer looks like a plant----like other ani ___l species. (A) so (B) rather than (C) instead (D) rather not

The senten ___ should read, "The sea anemone, a ___rine ani

___l related to the jelly fish, looks like a plant rather

than like other ani ___l species." Theerefore, you should

choose (D). Nowbegin work on the questions. 1. Most substan

___s expand when they evaporate so that the density of a

substan ___'s gas is---of its liquid. (A) than the lower

density (B) lower than that (C) the density is lower than

that (D) the lower the density 2. The pro ___ss by which

nerve ___lls send signals is --- clearly understood. (A)

none (B) no (C) not (D) nothing 3. Arctic ani ___ls--- a

means of controlling body temperature in such a cold,

barren cli ___te if they are to survive. (A) need (B)

needing (C) to need (D) was needed 4. -----state of

California is also known as the "Golden State" because

California's hills were on ___ believed to be ___de of

gold. (A) The (B) There is a (C) That the (D) As the 5.

Aspartame is a bination of proteins that is much sweeter---- (A) than sugar does (B) does cane sugar (C) cane sugar

(D) than cane sugar 6. Current patterns and topography

___ps of the seas ---- from sa ___ite photographs. (A) can

be drawn (B) can drawn (C) to draw (D) drawn 7. By the middle of the nioeenth ___ntury, the scientists and

engineers in the United States had began to exert --- over

technology. (A) influen ___ worldwide a great (B) a great

worldwide influen ___ (C) influen ___ a great worldwide (D)

a worldwide influen ___ great 8. ----billions of barrels of

oil exist in the vast caverns beneath the Pacific O ___ans

(A) It is esti ___ted that (B) An esti ___te that (C) That

is esti ___ted (D) That the esti ___te 9. The extent of the

stimulant effect of coffee on people depends on the

circumstan ___s ---- the plants grow. (A) which (B) which

in (C) in which (D) in 10. The guitar solo first ---- as a

popular form of musical perfor ___n ___ in the twentieth

___ntury. (A) to emerge (B) emerging (C) has emerged (D)

emerged 11. --- plex organic pounds originating in ___lls.

(A) Lipieds (B) Lipids are (C) Lipids which are (D) Lipids

while they 12. In the western part of Nevada ----, a ___jor

tourist and entertai ___ent ___nter. (A) lies the city of

Las Vegas (B) the city of Las Vegas lies there (C) around

the city of Las Vegas lies (D) there lies the city of Las

vegas around 13. Work on superconductivity, ---, has

attracted a relatively s ___ll number of researchers. (A)

is a very specialized field (B) which a very specialized field is (C) a very specialized field (D) a field very

specialized which 14. ---, the fist Amendment to the

Constitution provided for ___ of speech, press and

assembly. (A) In 1791 they drafted (B) The draft in 1791

(C) In 1791 was drafted (D) Drafted in 1791 15. When --- in

desert cli ___tes, the Navajo construct lean-tos as

temporary summer shelters. (A) travel (B) to travel (C)

traveling them (D) traveling

Written Expression Directios: In questions 16-40 each

senten ___ has four underlined words or phrases. The four

undelined parts of the senten ___ are ___rked (A), (B),

(C), and (D). Identify the one underlined word or phrase

that must be changed in order for the senten ___ to be

correct. Then, on your answer sheet, find the number of the

question and fill in the spa ___ that corresponds to the

letter of the answer you have chosen. Looke at the

following examples: Example 1 Sampel Answer In ___ny cities