问题
选择题
比较某哺乳动物的胰腺细胞、神经细胞、浆细胞，三者[ ]
A．细胞核中DNA含量差别较大
B．细胞中mRNA、蛋白质种类相同
C．细胞中细胞器的种类差别较大
D．都具有分泌功能
答案
答案：D
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比较某哺乳动物的胰腺细胞、神经细胞、浆细胞，三者[ ]
A．细胞核中DNA含量差别较大
B．细胞中mRNA、蛋白质种类相同
C．细胞中细胞器的种类差别较大
D．都具有分泌功能
答案：D
We often think about why money disappeared so quickly. That may be because we didn’t have a good budget. A budget is a plan to control where your money goes. A good budget can help you use money wisely. For example, it can help you save money for the things that you want but can’t pay for now. Have a look at the budget of Simon’s family this month and you will get a clear idea about what a budget is. The income(收入) of Simon’s family a month is RMB6,000.
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