有关“绿叶在光下制造有机物（产生淀粉）”实验的叙述，不正确的是

题干

有关“绿叶在光下制造有机物（产生淀粉）”实验的叙述，不正确的是（）

A：把天竺葵放在黑暗处一昼夜的目的是耗尽叶片中的淀粉

B：同一叶片的遮光部分和未遮光部分可形成对照

C：将叶片放入盛有酒精的小烧杯中水浴加热，使叶片变为黄白色

D：滴加碘液后，叶片的遮光部分变蓝，未遮光部分不变蓝

上一题下一题 0.0难度选择题更新时间:2019-03-10 06:04:43

答案(点此获取答案解析）

D

同类题5

五位中国学生要去美国留学，他们想要找住家。请仔细阅读题中的学生的个人情况说明，并从A至F六个选项中，帮助他们选择最适合的住家.
____ Zhang Chao likes Chinese food. He hopes his host family speak a little Chinese.
____ Li Wei likes doing sports. He wants to live near a park.
____ Liu Yong hopes to live near his school---Reading School. He prefers a bed room with a bathroom
____ Chen Yao wants to live in a big bedroom cheaper than ￡350 a month. She can’t stand pets.
____ Hu Mei loves pets. She would like a bedroom cheaper than ￡220 a month.

A Host Family: The Browns Nationality: English Address: 16 Church Road (near Reading School) Room: Small with a bedroom Price: ￡290/month	B Host Family: The Johnssons Nationality: English Address: 10 Shine Road (near Wallen School) Room: Small Price: ￡260/month	C Host Family: Wang Lin Nationality: Chinese Address: 40 Queen's Road Room: Small Price: ￡230/month Other information: Good at cooking Chinese food
D Host Family: The Kings Nationality: English Address: 75 Eric-high Road Room: Big Price: ￡300/month	E Host Family: Judy Nationality: English Address: 6 King's Road Room: Small Price: ￡210/month Other information: a pet dog	F Host Family: The Rays Nationality: English Address: 22 Woldingham Road (near Palmer Park) Room: Big Price: ￡370/month

题干

答案(点此获取答案解析）

同类题1

同类题2

同类题3

同类题4

同类题5