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2023-08-26 18:25:54
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<h2>1. ÊýѧÌâ</h2>
<p>Êýѧ×÷Ϊѧ¿ÆÖеÄÒ»ÏîÖØÒªÄÚÈÝ£¬¶ÔÓÚѧÉúÀ´ËµÊÇÒ»ÖÖÌôÕ½¡£ÏÂÃæÊÇÒ»µÀ¹ØÓÚ¶þ´Î·½³ÌµÄÌâÄ¿¡£</p>
<pre><code>ÒÑÖª¶þ´Î·½³Ìx^2 - 5x + k = 0ÓÐÁ½¸öÏàµÈµÄʵÊý¸ù£¬ÇókµÄÖµ¡£</code></pre>
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<pre><code>(-5)^2 - 4 * 1 * k = 0</code></pre>
<p>½âµÃ£º</p>
<pre><code>25 - 4k = 0</code></pre>
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<pre><code>k = 6.25</code></pre>
<p>ËùÒÔkµÄֵΪ6.25¡£</p>
<h2>2. ÎïÀíÌâ</h2>
<p>ÏÂÃæÊÇÒ»µÀ¹ØÓÚÁ¦µÄÌâÄ¿¡£</p>
<pre><code>Ò»¸öÎïÌåÖÊÁ¿Îª200g£¬Êܵ½µÄÖØÁ¦Îª1.96N£¬ÇóÖØÁ¦¼ÓËٶȵÄÖµ¡£</code></pre>
<p>½âÎö£º</p>
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<pre><code>1.96 = 0.2 * g</code></pre>
<p>½âµÃ£º</p>
<pre><code>g = 9.8</code></pre>
<p>ËùÒÔÖØÁ¦¼ÓËٶȵÄֵΪ9.8¡£</p>
<h2>3. »¯Ñ§Ìâ</h2>
<p>ÏÂÃæÊÇÒ»µÀ¹ØÓÚ»¯Ñ§·´Ó¦µÄÌâÄ¿¡£</p>
<pre><code>ÒÑÖªNa + Cl2 = NaClÊÇÒ»¸ö»¯Ñ§·´Ó¦£¬ÇóÅäƽºóµÄ·´Ó¦Ê½¡£</code></pre>
<p>½âÎö£º</p>
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<pre><code>2Na + Cl2 = 2NaCl</code></pre>
<p>ËùÒÔÅäƽºóµÄ·´Ó¦Ê½Îª2Na + Cl2 = 2NaCl¡£</p>
<h2>4. Ó¢ÓïÌâ</h2>
<p>ÏÂÃæÊÇÒ»µÀ¹ØÓÚÔĶÁÀí½âµÄÌâÄ¿¡£</p>
<pre><code>Read the following passage and answer the questions below: ...</code></pre>
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<h2>5. ÀúÊ·Ìâ</h2>
<p>ÏÂÃæÊÇÒ»µÀ¹ØÓÚÀúʷ֪ʶµÄÌâÄ¿¡£</p>
<pre><code>ÇëÎÊÒÔÏÂÄĸöÊÇÖйú¹Å´úËÄ´ó·¢Ã÷Ö®Ò»£¿</code></pre>
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<h2>×ܽá</h2>
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