—A new phone.

    The Internet plays ____ important part in our daily life. But some people spend too much time online. This is a new disease. Doctors call it Internet Addiction Disorder (互联网成瘾症)(IAD). People with IAD spend hours ____ (talk) online or playing computer games. Many people with IAD spend ____ (much) time on the Internet than with family or friends. Some people with IAD even give up ____ (they) jobs! Do you have IAD? Think about the following ____ (question): How long are you online a day? Is it a lot or a little? Do you get angry ____ (easy) when you can't play a game? Nowadays, millions of people have IAD in the world. Doctors give people some advice. First, ask yourself "How long should I ____ (be) online today?" Then try your best ____ (take) a break. What's more, you can use the computer or play games ____ (two) a week, not every day. ____ this way, you can have a good life with other friends.

看图片，写单词。

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女子出现骨盆宽大、乳腺发达、声调较高等第二性征是下列何种激素的作用？（  ）