English Practice: TOEFL Test 1

PART TWO Grammar

1. Inertial navigation,_____ a vital role in space exploration, employs devices called accelerometers to measure accelerations of spacecraft.

(A) it plays

(B) which plays

(D) in which plays

2. _____ they rely on external sources of warmth, amphibians in cool regions hibernate through the inter.

(A) Because

(B) By reason of

(D) Since that

3. In 1846 _____ agreed upon the boundaries separating what would become Washington and British Columbia.

(A) when the Canadian and United States governments

(B) the Canadian and United States governments which

(D) the Canadian and the United States governments,

4. Prized for centuries for their beauty, roses are probably the world's _____ plants.

(A) cultivated ornamental most widely

(B) ornamental widely cultivated most

(D) widely ornamental most cultivated

5. In area, Montana is the fourthlargest state in the United States,_____ it ranks forty-fourth in population.

(A) nor

(B) in spite of

(D) but

6. Larch and spruce trees _____ in bogs and wet areas of the northern United States.
(A) found
(B) are found
(C) have found
(D) finding

7. Ostrich eggs are larger of any Other living animal; they may be 150 mm long and 127 mm wide and have a shell 1.97 mm thick.
(A) than those
(B) of those
(C) those that
(D) than

8. Although rain falls throughout most of the world, in Antarctica, and in a few other places, _____ precipitation occurs as ice and snow.
(A) and all
(B) all
(C) where all
(D) it is all

9. _____ to learn about human origins and evolution, the physical anthropologist studies fossil remains and observes the behavior of other primates.
(A) Because trying
(B) Do they try
(C) There is trying
(D) In trying

10. _____ where the American craft movement seems to have flourished most vigorously, partly through its association with the Prairie School of Architecture.
(A) Was the Midwest
(B) The Midwest as
(C) It was the Midwest
(D) The Midwest being!

11. _____ as taste is really a composite sense made up of both taste and smell.
(A) To which we refer
(B) What do we refer to
(C) That we refer to it
(D) What we refer to

12. Lorraine Hansberry's play A Raisin in the Sun was_____ to be produced on Broadway.
(A) the first drama that all African American woman
(B) an African American woman whose first drama
(C) an African American woman's drama that first
(D) the first drama by an African American woman

13. When changes in the tilt of the Earth relative to the Sun shift the location of South America's warmest zone, _____with it.
(A) the rains go
(B) as go the rains
(C) which the rains to go
(D) and the rains going

14. The United States government shares governmental powers with the states under the federal system._____ by the United States Constitution.
(A) established it
(B) which established
(C) and established
(D) established

15. A challenging new area in inorganic chemistry is _____ the role of transition metals in the biochemical catalysts called enzymes.
(A) that of understanding
(B) to have understanding
(C) the understanding
(D) understanding that