【单选题】【消耗次数：1】
下列( )不是具体运算阶段的标志。
①
出现内化的、可逆的动作
②
出现有逻辑结构的动作
③
出现有守恒前提的动作
④
出现有意义的动作
参考答案：
复制
纠错
相关题目
【简答题】
DIC可能出现的四大典型临床表现有哪些？
【多选题】
在幻灯片中添加动作按钮，可以实现互动式的信息演示。动作按钮的动作（）。
①
可以选择在单机鼠标或鼠标移过时产生，也可以是“无动作”
②
是由所选择的按钮类型决定的，若选择“上一张”按钮，其动作自然是切换到上一张幻灯片
③
是由用户创建时的动作设置对话框决定的
④
允许在选择“无动作”的同时，选择“播放声音”
随机题目
【单选题】
Never before ___ in greater need of modern public transport than it is today.
①
?has this city been
②
?this city has been
③
?was this city
④
this city was
【单选题】
Little ___ that we were watching his every move, so he seemed to be going his own way in this business.
①
he realized
②
?he didn’t realize
③
?didn’t he realize
④
?did he realize
【单选题】
It is what you do rather than what you say ___ matters.
①
that
②
what
③
which
④
this
【单选题】
After dinner the minister made a short ___ to the guests.
①
delivery
②
pronunciation
③
conversation
④
speech
【单选题】
It was for this reason ___ her uncle moved out of New York and settled down in a small village.
①
which
②
why
③
that
④
how
【单选题】
The car salesman took the customer for a driver in the new model in order to ___ its improved features.
①
advocate
②
demonstrate
③
exhibit
④
reveal
【单选题】
I caught a___ of the car before it disappeared around the bend.
①
glance
②
glimpse
③
glare
④
stare
【单选题】
Alice ___her father that both she and her husband would be happy if he would live with them.
①
convinced
②
reinforced
③
pledged
④
required
【单选题】
Never in my wildest dreams ___ these people are living in such poor conditions.
①
I could imagine
②
?could I imagine
③
?I couldn’t imagine
④
?couldn’t I imagine