Boost your Vocabulary Cambridge 8 - Test 4 - Passage 02

Which word is a synonym for reckless in this sentence: The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.

• irresponsible

• molecule

• inevitable

• mutation

Which word is a synonym for synthetic in this sentence: The continuous and reckless use of synthetic chemicals for the control of pests which pose a threat to agricultural crops and human health is proving to be counter-productive.

• optimal

• existent

• artificial

• disturb

Which word is a synonym for engender in this sentence: Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.

• propose

• evolution

• stimulate

• striking

Which word is a synonym for disorder in this sentence: Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.

• attain

• illness

• determine

• invert

Which word is a synonym for lethal in this sentence: Apart from engendering widespread ecological disorders, pesticides have contributed to the emergence of a new breed of chemical-resistant, highly lethal superbugs.

• deadly

• valid

• frugal

• comrade

Which word is a synonym for resistance in this sentence: According to a recent study by the Food and Agriculture Organisation (FAO), more than 300 species of agricultural pests have developed resistance to a wide range of potent chemicals.

• confrontation

• intensive

• reserve

• equable

Which word is a synonym for potent in this sentence: According to a recent study by the Food and Agriculture Organisation (FAO), more than 300 species of agricultural pests have developed resistance to a wide range of potent chemicals.

• effective

• critical

• average

• attainment

Which word is a synonym for immune in this sentence: Not to be left behind are the disease-spreading pests, about 100 species of which have become immune to a variety of insecticides now in use.

• resistant

• consistent

• unstreamed

• spacious

Which word is a synonym for insecticide in this sentence: Not to be left behind are the disease-spreading pests, about 100 species of which have become immune to a variety of insecticides now in use.

• demonstrate

• competition

• pesticide

• compulsory

Which word is a synonym for wipe out in this sentence: One glaring disadvantage of pesticides' application is that, while destroying harmful pests, they also wipe out many useful non-targeted organisms, which keep the growth of the pest population in check.

• destroy

• competition

• presumably

• accessible