单项选择题

The crucial function of photosynthesis in terms of plant needs is______.
A) to form sugars C) to combine carbon dioxide with water
B) to preserve water D) to derive energy from light

A．The crucial function of photosynthesis in terms of plant needs is______.
B．to form sugars
C．to preserve water
D．to combine carbon dioxide with water
E．to derive energy from light

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The passage implies that it is easy to buy the following things in the country EXCEPT______. A) daily necessities C) designer clothes B) fruits D) vegetables

A．The passage implies that it is easy to buy the following things in the country EXCEPT______.
B．daily necessities
C．fruits
D．designer clothes
E．vegetables

The crucial function of photosynthesis in terms of plant needs is______. A) to form sugars C) to combine carbon dioxide with water B) to preserve water D) to derive energy from light

The crucial function of photosynthesis in terms of plant needs is______.
A) to form sugars C) to combine carbon dioxide with water
B) to preserve water D) to derive energy from light