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Practice Listening: Select Missing Word ID: #33147 Short Photosynthesis
Instructions ›
You will hear a recording about a topic. At the end of the recording the last word or group of words has been replaced by a beep. Select the correct option to complete the recording.

Transcript:

The complex process inside a leaf takes energy from the sun and uses it to convert water and carbon dioxide into sugars. During this process, photosynthesis plants convert light energy into chemical energy. All leaves carry out photosynthesis in basically the same way. First, the pores on the leaves, outer skin open up and taking molecules of carbon dioxide. Water absorbed by the roots is transported upward through the plant, and it enters the leaf through its stem, carbon dioxide, and water. These are the raw materials for photosynthesis. Once carbon dioxide and water are present, photosynthesis can.
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Result:

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Option 4: "begin"

Explanation: The word 'begin' accurately reflects the context of the text, which states that photosynthesis can occur once carbon dioxide and water are present. This aligns with the idea that the process starts with these raw materials, making 'begin' the correct choice.

Option 1: "continue"

Explanation: The term 'continue' suggests that the process is already happening and will keep going. However, the text indicates that photosynthesis can only occur once the raw materials (carbon dioxide and water) are present, implying that it has not yet started. Therefore, 'continue' does not fit the context.

Option 2: "disappear"

Explanation: The word 'disappear' implies that something is vanishing, which is not relevant to the context of photosynthesis. The text discusses the initiation of the process rather than any elements disappearing, making this option incorrect.

Option 3: "suspend"

Explanation: The word 'suspend' suggests halting or pausing a process, which contradicts the context of the text. The text indicates that photosynthesis can start once the necessary materials are available, not that it is being paused or suspended.

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