Alkalis neutralize acids.

Don't get discouraged if you should fail.

It is only recently that crude oil has come to be used to make chemical products.

Evidence that the above example is farfetched can be seen by comparing the total occurrences of component X.

It is important that no one is allowed to slack off on their assigned work.

The slogan was designed to rouse the people.

The way she spoke to us was suspicious.

According to an estimate, steel production will reach 100 million tons this year.

mosquitos are vectors of malaria and yellow fever

The government finances are severely constrained because of falling tax revenues.