Scarcely had she arrived home when the quake happened.
A.As soon as the quake took place, she arrived home.
B.The quake took place before she arrived home.
C.Hardly the quake happened when she arrived home.
D.No sooner had she arrived home than the quake happened.

"Report yourself to the police and you'll get lighter penalty," John told his brother.
A.John asked his brother to give up himself to the police.
B.John threatened his brother to report himself to the police.
C.John promised his brother a report of himself to the police.
D.John persuaded his brother to report himself to the police.

The pronoun "they" in paragraph 2 refers to ____.
A.discoveries concerning hereditary mechanisms
B.effects of genetic engineering misuse
C.cases of genetic deficiencies
D.possibilities for genetic deficiencies

The word "which" in paragraph 3 refers to ____.
A.activities of an overpopulated society's industry
B.the waste products dumped into our environment
C.activities of surplus human population
D.serious environmental pollution

According to the passage, to save our planet, biologists should work _______ .
A.harder and harder
B.accurately and objectively
C.on social and political purposes
D.with other social scientists

Which of the following is closest in meaning to the word "ramifications" in paragraph 4?
A.useful experiments
B.effective techniques
C.harmful consequences
D.latest developments

Education in early times was mostly aimed at ____.
A.teaching skills
B.learning to live
C.learning new lifestyles
D.imparting survival skills

The word "informally" in this context mostly refers to an education occurring____.
A.in classrooms
B.outside the school
C.in a department
D.ability

When the concept of universal primary education was introduced, education____.
A.was given free to all
B.was intended for all the sexes
C.focused on imparting skills
D.was intended to leave out female learners

The word "espouse" is contextually closest in meaning to "____".
A.to introduce
B.to put off
C.to give
D.to induce