皮皮学，免费搜题
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【单选题】
染色体的基本单位是
A.
核小体
B.
DNA
C.
RNA
D.
组蛋白
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
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举一反三
【单选题】Kate, ______ in bed, _____you?
A.
don’t read…will
B.
don’t read… do
C.
doesn’t read…do
D.
isn’t read… are
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【简答题】从方框中选择正确的词,并用其适当的形式填空 have, read, help, watch, difficult, swim 1.My brother likes swimming. Look, he in the swimming pool now. 2.Kate usually story books in the library after school. 3.My grandma TV a...
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【单选题】Leptin is effective in reducing weight but it's many years away before humans can use it.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】 Her grandmother ________ in 2010. She has been ________ for three years.
A.
dead; dead
B.
died; died
C.
dead; died
D.
died; dead
查看完整题目与答案
【单选题】关于一口价商品与拍卖商品说法有误的是
A.
拍卖商品邮费一定需要卖家承担
B.
拍卖商品一定需要设置一个起拍价与加价幅度
C.
发布拍卖商品时不需要选择商品类目，系统会自动匹配类目。
D.
一口价商品卖家可以设置邮费由卖家自己承担
查看完整题目与答案
【单选题】1 Millions of teens are on weight-reducing diets. Although maintaining a healthy body weight is important, obsessive dieting can lead to eating disorders. Eating disorders can disrupt lives and someti...
A.
muscle weakness and heart failure
B.
kidney disease and low body temperature and pulse rate
C.
dropping resistance to infection
D.
destroyed tooth enamel and unhealthy gums
查看完整题目与答案
【简答题】根据短文内容，判断下列句子是否正确，对的涂（A），错的涂（B）。 Kate is a little girl. She’s only five. She is not at school. She doesn’t know how to read or write. But her sister Mary is a student. She knows how to read and write....
查看完整题目与答案
【单选题】Kate, don’t read in bed. It’s bad _____your eyes.
A.
for
B.
at
C.
of
D.
to
查看完整题目与答案
【简答题】There are reports coming in of more fighting in ... Mark: Do you mind if I turn it off? Janet: It’s fine, I wasn’t listening. Mark: Do you follow the news? Janet: Yeah, I do. But I don’t often listen ...
查看完整题目与答案
【判断题】图层的颜色实际上是图层中图形背景的颜色。( )
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Kate, ______ in bed, _____you?
A.
don’t read…will
B.
don’t read… do
C.
doesn’t read…do
D.
isn’t read… are
查看完整题目与答案
【简答题】从方框中选择正确的词,并用其适当的形式填空 have, read, help, watch, difficult, swim 1.My brother likes swimming. Look, he in the swimming pool now. 2.Kate usually story books in the library after school. 3.My grandma TV a...
查看完整题目与答案
【单选题】Leptin is effective in reducing weight but it's many years away before humans can use it.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】 Her grandmother ________ in 2010. She has been ________ for three years.
A.
dead; dead
B.
died; died
C.
dead; died
D.
died; dead
查看完整题目与答案
【单选题】关于一口价商品与拍卖商品说法有误的是
A.
拍卖商品邮费一定需要卖家承担
B.
拍卖商品一定需要设置一个起拍价与加价幅度
C.
发布拍卖商品时不需要选择商品类目，系统会自动匹配类目。
D.
一口价商品卖家可以设置邮费由卖家自己承担
查看完整题目与答案
【单选题】1 Millions of teens are on weight-reducing diets. Although maintaining a healthy body weight is important, obsessive dieting can lead to eating disorders. Eating disorders can disrupt lives and someti...
A.
muscle weakness and heart failure
B.
kidney disease and low body temperature and pulse rate
C.
dropping resistance to infection
D.
destroyed tooth enamel and unhealthy gums
查看完整题目与答案
【简答题】根据短文内容，判断下列句子是否正确，对的涂（A），错的涂（B）。 Kate is a little girl. She’s only five. She is not at school. She doesn’t know how to read or write. But her sister Mary is a student. She knows how to read and write....
查看完整题目与答案
【单选题】Kate, don’t read in bed. It’s bad _____your eyes.
A.
for
B.
at
C.
of
D.
to
查看完整题目与答案
【简答题】There are reports coming in of more fighting in ... Mark: Do you mind if I turn it off? Janet: It’s fine, I wasn’t listening. Mark: Do you follow the news? Janet: Yeah, I do. But I don’t often listen ...
查看完整题目与答案
【判断题】图层的颜色实际上是图层中图形背景的颜色。( )
A.
正确
B.
错误
查看完整题目与答案