教育实验法是教育学研究的常用法,在运用这种方法时可采取三种形式,即单组实验、等组实验和()实验。
参考答案:循环
下图为300N的部分纬线,P为北极点,M、N分别为晨线和昏线与300N纬线的交点,∠MPX和∠NPY为7.50,PY为00经线。完成下列下列各题
小题1:此时,下列判断正确的是
A.太阳直射点将向南移动
B.太阳直射点将向北移动
C.北纬300以北地区的正午日影都朝北
D.浙江可能会受到台风的影响小题2:此时,下列判断正确的是
A.罗马处在多雨季节
B.非洲草原上的动物多数迁移到北半球活动
C.杭州湾的盐度达到最大值
D.巴黎盆地的冬小麦开始越冬
根据句意和汉语注释,写出单词的正确形式。
1. My uncle is a ___________ (有礼貌的)man. We all like him.
2. Which is your ____________(最喜欢的) subject?
3. There is a nice garden between the ____________ (大楼).
4. Their classroom is next to ___________(我们的).
5. Your English teacher ___________ (听起来) great.
6. Ben often ___________ (洗) his face after he gets up.
7. It takes us half an hour to ___________ (读) English every day.
8. Their ________ (爱好) are singing and dancing.
9. My mother often goes ___________ (购物) at the weekend.
10. It's too far away from our school. Let's ___________ (乘) a bus to get there.