年級

問題的種類

英文 國中

想問一下選擇2跟選擇3

food value grass •People eat their meat. •People use wool to make clothes. trees • People eat their meat. • People drink their milk and turn it into cheese. (C) Their tails point the same way. (D) They usually live for over eight years. Long working hours are a problem in Taiwan. People in Taiwan often work longer hours than people in other countries. In fact, in 2017, working hours in Taiwan were the fourth longest in the world. To protect the workers, Taiwan decided to make some changes to the labor law in 2018. Here are some examples. 1. Workers need to have at least one day off every seven days. 2. The working hours on a work day can't be over eight hours; for every four hours, workers need to take a break for half an hour. Also, workers can't work more than 40 hours a week. 3. When workers need to work more than eight hours a day or 40 hours a week, companies need to pay them overtime for each hour. 4. Workers can't work more than 12 hours a day, and their overtime working hours can't be longer than 54 hours a month. g lifespan 壽命 wool綿羊毛 value 價值 tail 尾巴 (B) point 指向 1. Why did Taiwan change the labor law? (A) To protect companies' rights. (B) To have workers get enough rest. (C) To help people make more money. (D) To make workers' overtime pay lower. 2. Gabriel works eight hours a day. However, he came into the office at 9 a.m. yesterday, took two 30-minute breaks, and kept working until 8 p.m. How many hours does his company need to pay him for overtime? (A) Two. (B) Three. (C) Eight. (D) Eleven. (A) Who is NOT following the new labor law? (A) Rose worked for 55 hours last week. (B) Nathan only needs to work four days a week. (C) Linda worked overtime for 25 hours last month. (D) Sandy worked every day without any days off last month. g at least 至少 off 休假 overtime 加班(費) 一、依提示作答。(每題3分,共6分) 1. Selena is a terrible singer. (用sing改寫句子) Selena sings terribly, 2. Meg runs more slowly than all the other students in the class. (H) Meg runs the most slowly in the class 翻譯。(每題3分,共9分)

已解決 回答數: 1
化學 高中

求詳解 謝謝謝謝

年級:一組別:110-118科目名稱:化學 17~18為超級題 下面的兩個相圖中有一個為水,另一個則為二氧化碳,請先判斷後,再回答下列問題; (02 力 力 (atm) (atm) 臨界點 73. 固類 液態 5.2 E A • B 溫度(℃) -18-57 31溫度(℃) 7、下列關於二氧化碳的敘述,何者正確? (A)乾冰熔化時,體積會有膨脹的現象 (B)增加壓力會使液態二氧化碳沸點上升、熔點下降 (C)E點為二氧化碳的三相點,在此點可觀察到固、液、氯三態共存 (D)F點為二氧化碳的臨界點,當溫度、壓力大於此點時可成為超臨界流體 (E)常溫(25°C)、常壓(1am)下,對二氧化碳氣體加壓至70 atm可得到乾冰 18. 下列關於水相圖的敘述,何者正確? (A)當溫度大於-S7℃、壓力大於52am詩,即可成為H.C(a) 低氣壓 (B)若壓力愈大,液態水存在的溫度範圍愈大 (C)由图可知在高山上烹煮食物能較快煮熟 (D)若壓力升高,水的凝固點、沸點上升 19-20為題組題 (E)由A點至B點體積會膨脹,是因粒子數變多 層析是分離混合物的一種簡便方法。其中以薄層層析(TLC)矽膠片作為固定相者,稱為薄層層析法。常見操作 步驟如下圖:首先用鉛筆在 TLC片上,距上、下綠適當距離處(約0.5公分)各劃一條細線,然後用毛細管 點好樣品後,再放入裝有適當展開液之展開槽中進行分部。實驗結束後,科學家們常會使用比移植(Re值, retention factor value)進行結果分析,它的計算方式是利用各呈色點的中心位置移動距離為分子,展開劑移動 距離為分母所得到的一個比值,R值為該化合物於此展開劑的特性,可藉此與他人比較、判斷物質的種類。 展開 7.2 8.4 甲 Solvent front 19. 下列有關於此實驗操作流程的敘述,何者正確? (A) 滴到TLC片起始線上的液滴大小不會影響實驗結果 B (B)若使用易揮發溶劑進行層析,需準備一密閉式容器,以免溶劑揮發影響實驗結果 (C)將物質甲移至所設定的終點線後即可將TLC片取出並記錄時間 (D)點樣前劃線的筆改為水性原子筆,可使跑片後的結果更加清晰 (E)點樣時,應使用毛細管點在起始線下方,不可高於起始線 20.根據上述文章與實驗結果判斷下列敘述,何者正確? (A)此混合物是由甲、乙兩種純物質所構成 (B)物質乙的R值約為0.17·代表其與展開劑溶解度較差 (C)物質甲的R:值約為0.42,此值不會因展開劑移動距離而改變 | Baseline (D)TLC片是籍由毛細現象將燒杯內的展開劑吸附至濾紙上方 (EY 層析法是利用混合物中各成分物質之端點不同而分離 二、多選題(每題4分,共40分,錯1個選項得2.4分,錯2個選項得0.8分,錯3個選項以上及未作答者得0分) 21. 下列哪些物質在常温、常壓下加熱時會發生昇您的現象? 2018 (A) 汞(B)(C)乾冰(D)茶丸(E)碳酸鈣 CD.B Kr 18 8114

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英文 高中

第20題怎麼看

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已解決 回答數: 1