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【單選題】
在生物組織中可溶性還原糖、脂肪、蛋白質(zhì)的鑒定實驗中，對實驗材料的選擇敘述中，錯誤的是
A.
甘蔗莖的薄壁組織、甜菜的塊根等，都含有較多的糖且近于白色，因此可以用于進行可溶性還原糖的鑒定
B.
花生種子含脂肪多且子葉肥厚，是用于脂肪鑒定的理想材料
C.
大豆種子蛋白質(zhì)含量高，是進行蛋白質(zhì)鑒定的理想植物組織材料
D.
雞蛋清含蛋白質(zhì)多，是進行蛋白質(zhì)鑒定的動物材料
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舉報參考答案：
舉一反三
【單選題】In public places, we can often see ______ that tell us useful things, such as no parking, no smoking, etc.
A.
symptoms
B.
signs
C.
systems
D.
signals
【單選題】I want to treat our guests to a big dinner. Please help me ______ some tables in the restaurant.
A.
buy
B.
book
C.
borrow
D.
order
【單選題】What are scientists worried about when it comes to plants according to the article?
A.
Plants may not be able to adapt to the increasingly cold climate.
B.
Human activities might h ave a great impact on the pace of plants’ evolution.
C.
Plants may not be able to evolve fast enough to adapt to human-caused climate change.
D.
The strategies plants develop are not good enough to protect them against cold.
【單選題】According to the article, if a plant freezes in the winter, ______.
A.
it produces more living tissues to stay alive
B.
its leaves quickly fall out and its roots begin to die
C.
lots of air bubbles form in its water transport system
D.
its water transport system could be blocked in the spring
【單選題】The teacher always asks the students to go over their exercises to ______ there are no mistakes.
A.
look for
B.
make sure
C.
find out
D.
think about
相關(guān)題目：
【單選題】In public places, we can often see ______ that tell us useful things, such as no parking, no smoking, etc.
A.
symptoms
B.
signs
C.
systems
D.
signals
【單選題】I want to treat our guests to a big dinner. Please help me ______ some tables in the restaurant.
A.
buy
B.
book
C.
borrow
D.
order
【單選題】What are scientists worried about when it comes to plants according to the article?
A.
Plants may not be able to adapt to the increasingly cold climate.
B.
Human activities might h ave a great impact on the pace of plants’ evolution.
C.
Plants may not be able to evolve fast enough to adapt to human-caused climate change.
D.
The strategies plants develop are not good enough to protect them against cold.
【單選題】According to the article, if a plant freezes in the winter, ______.
A.
it produces more living tissues to stay alive
B.
its leaves quickly fall out and its roots begin to die
C.
lots of air bubbles form in its water transport system
D.
its water transport system could be blocked in the spring
【單選題】The teacher always asks the students to go over their exercises to ______ there are no mistakes.
A.
look for
B.
make sure
C.
find out
D.
think about
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