<h3>??????（1）20—90的整十?dāng)?shù)都以-ty結(jié)尾 </h3><h3>sixty60，seventy70，ninety90 </h3><h3>其中twenty20，thirty30，forty40，fifty50，eighty80的拼寫(xiě)比較特殊。</h3><h3>??????（2）hundred: 百 </h3><h3>在表示具體的數(shù)目時(shí)，hundred后面不加-s，也不加of。 </h3><h3>例：three hundred 300 ，five hundred 500</h3> <h3>重點(diǎn)句子：</h3><h3>1. How many books are there on my desk, Jenny?</h3><h3>(我的桌子上有多少本書(shū)，詹妮？)</h3><h3>“How many+可數(shù)名詞的復(fù)數(shù)+are there?”用于詢問(wèn)有多少……？</h3><h3>2. There are eight books.</h3><h3>(有八本書(shū)。)</h3><h3>句型構(gòu)成：“There is +可數(shù)名詞的單數(shù)/不可數(shù)名詞+（地點(diǎn)）</h3><h3>There are +可數(shù)名詞的復(fù)數(shù)+（地點(diǎn)）”</h3><h3>3. Let’s put…on…</h3><h3>(讓我們把……放在……的上面)</h3> <h3>13—19的基數(shù)詞都以-teen結(jié)尾 </h3><h3>fourteen14,sixteen16,seventeen17,nineteen19 </h3><h3>其中thirteen13,fifteen15,eighteen18的拼寫(xiě)比較特殊。</h3> <h3>Xue Yuting</h3> <h3>Yin Chensu</h3> <h3>Wang Sijia</h3> <h3>Luo Yutong</h3> <h3>Qiao Yifan</h3> <h3>Yin Chensu</h3> <h3>Hou Tianyi</h3> <h3>Weigao Jinang</h3> <h3>Yan Haotian</h3> <h3>Liu Zixuan</h3> <h3>Li Haolin</h3> <h3>Xi Jinhao</h3> <h3>Xue Yuting</h3> <h3>Hou Tianyi</h3> <h3>1—12的基數(shù)詞是獨(dú)立的單詞，有其各自的形式： </h3><h3>one 1，two 2，three 3，four 4，five 5，six 6，seven 7，eight 8，nine 9，ten 10，eleven 11，twelve 12</h3>