You are going to hear two separate recordings about the uses of plastics. (1.0p) Questions 1-5. Complete the sentences below. Write NO MORE THAN THREE WORDS OR A NUMBER for each answer. You will hear the recording TWICE.
Câu 1: According to the speaker, the three factors contributing to the success of plastics today are safety,_____________ and _____________________.
Câu 2: Meat and other food products are wrapped in plastic to protect them from _____________________.
Câu 3: The use of plastics in major appliances ensures that they will _____________________ corrosion.
Câu 4: Experts have calculated that a kilo of plastic packaging can lead to a reduction of _______________kilos in wasted food.
Câu 5: Plastic parts have made _____________________ as much as fifty per cent more efficient since the 1970s.
A.
B.
C.
D.
Câu 1: According to the speaker, the three factors contributing to the success of plastics today are safety,_____________ and _____________________.
Câu 2: Meat and other food products are wrapped in plastic to protect them from _____________________.
Câu 3: The use of plastics in major appliances ensures that they will _____________________ corrosion.
Câu 4: Experts have calculated that a kilo of plastic packaging can lead to a reduction of _______________kilos in wasted food.
Câu 5: Plastic parts have made _____________________ as much as fifty per cent more efficient since the 1970s.
A.
B.
C.
D.
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Hóa Học lớp 12
