给图片选择正确的单词（ ）
A：driver
B：policeman
读图完成下列各题
________himself in work makes it possible for him to achieve his goal.
黑子和耀斑所对应的太阳大气层分别是（ ）
读一读，选择正确的答案，将字母代号写入前面的括号内。
① ____ A. spring
② ____ B. summer
③ ____ C. autumn
④ ____ D. winter
