Luyện tập nhanh

1. In the late 1970’s and early 1980’s, the United States developed the reusable space shuttle ________to space cheaper and easier.

to make access
and making access
which made accessible
and made accessible.

2. Genetically, the chimpanzee is more similar to humans _______.

are than any other animal
than is any other animal
any other animal is
and any other animal is

3. ______more than 65,000 described species of protozoa, of which more than half are fossils.

Being that there are
There being
Are there
There are

4. The Sherman Antitrust Act of 1890 ___ nearly unanimously through the United States Congress.

passed
in passage
having passed
passing

5. Modern skyscrapers have a steel skeleton of beams and columns ___a three-dimensional grid.

from which forming
and forming
forms
that forms

6. The average level of United States prices grew very little from 1953 until the mid-1960’s when ____________.

did inflation begin
inflation began
the beginning of inflation
did the beginning of inflation

7. The basis premise behind all agricultural production is _____available the riches of the soil for human consumption.

to be made
the making
making is
to make

8. ___to the united states House of Representatives in 1791, Nathaniel Macon remained in office until 1815.

Election
Why he was elected
Elected
Who was elected

9. ______ of classical ballet in the united states began around 1830.

To teach
Is teaching
It was taught
The teaching

10. The universe is estimated ___between 10 billion and 20 billion years old.

being
to be
which is
is.

11. A situation in which an economic market is dominated by a ____ is known as a monopoly.

single of a product seller
product single of a seller
seller of a product single
single seller of a product

12. ____ freshwater species of fish build nests of sticks, stones, or scooped-out sand..

As the many
Of the many
Many
Many of them are

13. Newspaper publishers in the united states have estimated ___________reads a newspaper every day.

nearly 80 percent of the adult population who
it is nearly 80 percent of the adult population
that nearly 80 percent of the adult population who
that nearly 80 percent of the adult population

14. The foundation of all other branches of mathematics is arithmetic, ____ science of calculating with numbers.

is the
the
which the
because the

15. Nylon was ___the human-made fibers.

the first of which
what the first of
it the first of
the first of

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