TOEFL - (Noun Clause, Adjective Clause)

Scientists are now beginning to conduct experiments on ....... trigger different sorts of health risks.

• noise pollution can

• that noise pollution

• how noise pollution

• how noise pollution can

....... have at least four hours of hazardous materials response training is mandated by federal law.

• All police officers

• All police officers must

• That all police officers

• With all police officers

The instrument panel of a light airplane has at least a dozen instruments .....

• the pilot must watch

• what the pilot must watch

• which the pilot must watch

• such that the pilot must watch them

Scientists cannot agree on ...... related to other orders of insects.

• that fleas are

• how fleas are

• how are fleas

• fleas that are

In 1850, Yale University established Sheffield Scientific School, ......

• engineers were educated there

• where engineers were educated

• in which were engineers educated

• where were engineers were educated

The fact ..... the most important ratings period is about to begin has caused all three networks to shore up their schedules.

• is that

• of

• that

• what

In geometry, a tangent is a straight line ...... a curve at only one point.

• it touches

• whose touching

• its touching

• that touches

....... have at least four hours of hazardous materials response training is mandated by federal law.

• All police officers

• All police officers must

• That all police officers

• With all police officers

At the end of nineteenth century, Alfred Binet developed a test for measuring intelligence ...... served as rhe basis of modern tests.

• has

• it has

• and

• which has

...... will be carried in the nest space shuttle payload has not yet been announced to the public.

• It

• What

• When

• That