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【单选题】
α-D吡喃葡萄糖和β-D-吡喃葡萄糖属于
A.
对映体
B.
构象异构体
C.
端基异构体
D.
非对映体
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参考答案:
举一反三
【简答题】每一部舞蹈作品浓缩了编导的性格取向;传递了编导的生活阅历;反映了编导的 ;最终彰显了编导的综合品好。
【简答题】You shouldn't spend so much time watching _____________ ( 卡通片 ).
【单选题】You shouldn't ______ too much money on clothes. [     ]
A.
spend
B.
take
C.
pay
【单选题】If the thief applies for a credit card in your name, you ______.
A.
shouldn't bother it at all
B.
had better pay for your carelessness
C.
should get a report from the police
D.
have to spend much effort to tackle it
【单选题】You shouldn't spend time learning about the customers whose situation would improve after using your product.
A.
agree
B.
disagree
【单选题】以下对浆细胞的描述,哪一项是错误的?
A.
细胞呈圆形或卵圆形,可产生抗体
B.
细胞核圆形常偏于细胞一侧,形式车轮状
C.
来源于血液B淋巴细胞
D.
电镜下可见胞质内含有大量的滑面内质网
【单选题】以下对空泡型异型淋巴细胞的描述哪一项是错误的:
A.
胞体较淋巴细胞大
B.
核呈圆形,肾形或不规则形
C.
胞浆丰富呈淡兰色或蓝灰色
D.
胞浆中含大小不等的空泡
E.
为最常见的异型淋巴细胞
【单选题】We shouldn't spend too much time on computer games. It's bad for your eyes.
A.
I agree with you.
B.
That's all right.
C.
Enjoy your time.
【单选题】You shouldn't spend much time ______ computer games.
A.
in
B.
to
C.
on
D.
for
【单选题】以下对红细胞的描述,哪一项是错误的
A.
因无细胞器,所以 无能量供应
B.
成熟红细胞无细胞器也无细胞核
C.
红细胞有一定弹性和形态可变性
D.
血浆渗透压降低时,可导致细胞肿胀或破裂
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