HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Chủ đề
Câu hỏi trắc nghiệm
Kiểm tra
Bỏ qua
Tiếp tục
Thảo luận
Luyện tập lại
Câu hỏi kế tiếp
Báo lỗi
Choose the word whose main stress is placed differently from the others in each group:
Select the synonym of the following bold and underlined word in each sentence in the unit:
Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.
They can send submarines and devices to investigate the ocean depths, taking photographs and samples of animal life to bring back to the surface for further study.
Choose the word whose underlined part has a different pronunciation from the others in each group:
Can you name the sea animal in each picture?
Small or oversized, plant or animal, the ocean’s living things contribute to its endless variety, its biodiversity.
It is divided into five different parts: the Pacific, Atlantic, Indian, Antarctic and Arctic Oceans.
Together, they cover 75% of our Earth.
How can scientists now reveal the secrets of the ocean and marine life?
Understanding the interactions of the ocean and marine life gives us an indication of the planet’s health and the effects of human activity.