调节情绪有很多具体的方法，如____、____、____等。我们可以根据不同的方法和个人的特点灵活地加以运用。

下列四幅图中，能正确表示地球自转方向的是（　　）

回答下列有关细胞代谢问题：为了研究不同光照处理对植物光合作用的影响，科学家以生长状态相同的某种植物为材料设计了A、B、C、D四组实验．各组实验的温度、光照强度和CO₂浓度等条件相同、适宜且稳定，每组处理的总时间均为135s，光照与黑暗处理情况见图所示（A、B、C三组光照与黑暗处理时间相同）．结果是A组光合作用产物的相对含量为M%；B组光合作用产物的相对含量为70%；C组光合作用产物的相对含量为94%；D组光合作用产物的相对含量为100%．请回答下列问题：

（1）该四组实验中，对照组是____ 组，其中A组的结果中M对应数字应为____ ．

（2）光照期间，能进行____ （填“光反应”或“暗反应”或“光反应和暗反应”）．

（3）可以判断，单位光照时间内，B组和C组植物合成有机物的量都高于D组植物合成有机物的量，依据是____ 

（4）A、B、C三组处理相比，随着____ 的增加，使光下产生的ATP和H能够及时____，从而提高了光合作用中CO₂的同化量．

先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。
    Mental health is about the way you think and feel and your ability to deal with ups and downs. Even though you are mentally healthy, it hardly m ____ that you don’t have a mental health problem.
    Mental health is everyone’s b____ . We all have times when we feel down or stressed. Most of the time those feelings pass, but sometimes they develop into a more serious problem. It seems that our mental health doesn't always s____  the same. It can change as the environment changes and as you move t ____ different stages(阶段) of your life.
    Here are four practical ways to look after your mental health. M ____  simple changes to how you live doesn't cost much or take up lots of time. Anyone can f ____ them.
●Talk about your feelings. It can help you stay in good mental health. It isn't a sign of weakness, but p ____ of your ability to do what you can to stay healthy.
●Eat well. What you eat and how you feel are c ____  connected. A proper diet can have a good effect on your mental health.
●Keep in touch. Friends and family members can offer various a ____  which may help you keep active and solve practical problems.
●Take a break. It could be a weekend exploring new places to enjoy the nature, or even a ten-minute break from doing your homework. A few minutes can be e____ to relax you.