单选题对于抑郁质的学生，教师在教育时应着重注意______
单选题根据皮亚杰的认知发展理论，小学生主要处于______阶段．
单选题人与人区别的主要方面，也是人格核心的是( )。
单选题1979年被列入《世界遗产名录》的阿布.辛拜勒神庙建于( )。
单选题不同的生态系统中枯枝落叶分解的速率不同(见表)，造成这种分解率差异的非主要影响因素是( )。 生态系统 热带雨林 温带草原 北方森林 冻原 分解达95%所需时间(年) 0.5 2 14 100 A．光 B．微生物 C．湿度 D．温度
单选题The issue of how to talk to students becomes
1
when teachers are giving their instructions. The best
2
in the world is a waste of time if the students don"t understand what it is they
3
to do.
There are two
4
rules for giving instructions: they must be kept as
5
as possible, and they must be
6
. Before giving instructions, therefore, teachers must ask themselves the following questions: What is the important information I am trying to
7
? What must the students know if they are to complete the activity successfully? Which information do they need first? Which should come next?
When teachers give instructions, it is important for them to check that the students have understood
8
they are being asked to do. This can be achieved either by asking a student to explain the activity after the teacher has given the instruction or
9
getting someone to show the other people in the class how the exercise works. Where students all share the mother tongue, a member of the class can be asked to
10
the instructions as a check that they have understood them.
单选题在社会主义新农村建设中，四川某地通过新建沼气池和植树造林，构建了新型农业生态系统(如下图所示)。下列有关叙述不正确的是______。A.该生态系统中，处于第二营养级的生物有人和家禽家畜B.该生态系统中，人的作用非常关键，植物是主要成分C.该生态系统的建立，提高了各营养级间的能量传递效率D.沼气池的建造和植树造林，提高了该生态系统的稳定性
单选题的计算结果是()。
单选题下图表示出生率、死亡率和种群密度的关系，据此分析得出的正确表述是______。
单选题号称“世界第一运动”的项目是______。
单选题1995年12月12日，我国颁布的重要教育法规是______。
单选题半径分别为1cm和5cm的两圆相交，则圆心距d的取值范围是______。
单选题十年前，科学家只把几十种基因突变与疾病挂上钩，现在已经把三千种左右的基因突变与疾病对上号，但要搞清所有基因突变与疾病的关系尚需时日。这是因为( )。 ①认识总要受到主客观条件的限制 ②实践总要受到主客观条件的限制 ③认识对象的本质的暴露与展现有一个过程 ④实践是认识的来源
单选题A farmer carelessly lost an expensive gold watch in the barn on the farm, where he searched for everywhere but in vain. So he put a
1
on the gate of the farm: whoever finds the gold watch will be
2
100 dollars. Facing the
3
of the handsome reward, people tried their best to look for everywhere.
4
, the grain was piled like a hill along with bales of
5
, so if they wanted to find the gold watch, it would be like fishing for a needle in the
6
.
When the sun set, the gold watch was not found yet. They took pains but found
7
, so they began
8
the watch was too small, the barn was too large and the straw was too thick. It was getting
9
that they were still unable to find it. So they
10
the temptation of 100 dollars one by one. But only a small boy in
11
clothes was still not discouraged but kept
12
it in the grain. He had nothing to eat throughout the day. In order to solve the family problem, he was
13
to find the gold watch and let his parents, brothers and sisters have a full meal. He was
14
in the straw to have a rest
15
he heard a strange "tick-tock". He immediately held his breath and listen
16
. It was quieter in the barn while "tick-tock"
17
clearly. The boy
18
the sound, found the gold watch buried in the depths of the grain and finally got the 100 dollars. Like the gold watch in the barn,
19
has existed around us and spread in very corner of life. Only we are calm and
20
look for it can we find it.
单选题下列不属于先秦历史散文的一项是( )。A．《国语》B．《春秋》C．《左传》D．《史记》
单选题教育工作的出发点和归宿是______。
单选题小学英语语言技能中关于一级目标的叙述包括：听做、说唱、玩演、______、视听。
A.感知
B.应用
C.理解
D.读写
单选题课的类型是由( )决定的。A．教师备课时B．课的任务C．学生的学习过程D．教学的阶段性
单选题思想品德包括四个基本要素，其中属于基础要素的是______。
单选题The family ______ at the lunch table when someone came to tell them what had happened atA. were sitting; Mr. BrownB. were sitting; Mr. Brown'sC. was sitting; Mr. BrownD. was sitting; Mr. Brown's