Persuasive writing aims to convince its reader to accept the author's opinions and ideas. Its purpose is to ___________ and influence thought. Informative writing aims to share knowledge and information. Its purpose is to ________its information and __________its audience.
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A thesis is a proposition or _______ that is central to any piece of academic writing. It is the point that the author aims to verify or _________. It forms the _________ of the work.The thesis statement is made in the _______________ of the writing, following the contextualization.
A scientific hypothesis is a proposed________ to an unexplained phenomenon. It is stated at the________ of a scientific paper and should be answered by the ______________.
判断下列账套删除操作步骤是否正确:选中要删除的账套,单击菜单【数据库】→【删除账套】功能,系统弹出信息提示窗口,单击“是”按钮,系统弹出提示是否备份的窗口,根据实际情况选择提示窗口上的按钮。单击“否”按钮,不备份该账套。如果稍后再“账套列表”窗口没有看到要删除的账套,则表示删除成功。
A. 对
B. 错
在TFIIIA和类固醇受体等DNA结合蛋白中有一种基元结构,其中Zn2+以4个配位键与4个半胱氨酸或2个半胱氨酸和2个组氨酸结合,每个“指”中有12-13个其他氨基酸。这种基元是( )
A. 螺旋一转角一螺旋
B. 亮氨酸拉链
C. 锌指
D. 转录活化域
E. 活性中心