高二下
t I don’t know if he ______ it. A. wrote。 has finished B. was writing。 has finished C. was writing。 had finished D. wrote。 will finish 2. As she ___ the newspaper, Granny ___ asleep. A. read。 was
dress 2. her pronunciation 3. her manners 1. her grammar 2. her choice of conversation topics 3. her language TESTING ELIZA HH = Henry Higgins CP = Colonel Pickering MH = Mrs Higgins F = Freddy E =
l. They have warned us to be careful of rats. 不定式在下列动词后作宾语补足语时,要省略 to “感觉” feel “听” hear, listen to “使役动词” have, make, let “看” see, look at, observe, watch, notice 但当以上的动词用于被动式, to要还原: 1. They saw
e. 他不注意自己的外表。 6. preserve vt.(1) 保存;保护;收藏 . You can ~ meat or fish in salt. 你可以用盐来保存肉或鱼。 (2) 保持;维持 . It is one of the duties of the police to ~ public order. 警察的职责之一是维持公共秩序。 相关短语: ~ sb./ sth. 保护某人
, 后来成为希金斯的朋友。 希金斯给他安排了一项任务。 ▲ officer与 official officer 主要用于指军官 ,也可指公司或政府机构中的高级职员。 official 指政府内的文职官员 ,用作形容词时指“ 官方的 ,正式的”。 ① The officers live at headquarters ad the soldiers live in the camps.
the idea of a machine spending my money. ZJ: Well, many businesses already use mobile phones to buy goods. They leave them to order goods when they are at their cheapest. MB: Do they really? Well, I
D.侯氏制碱法,是向饱和 NaCl溶液中先通入 CO2再通入氨气制取纯碱 13.下列关于工业生产的说法中正确的是 : A.工业生产硫酸时,建高烟囱可以降低地面 SO2的浓度,减少空气污染 B. 使用明矾作混凝剂除去水中的 Ca2+ 、 Mg2+ C. 海水提镁, MgCl26H2O 应在 HCl气 流 中分解制无水 MgCl2 D.工业合成氨通常采用 铁触媒作催化剂 主要是为了提高氮气的转化率
固体中少量 Ca(OH)2,可用饱和 MgCl2 溶液多次洗涤,再水洗、干燥 C.向溶液 X 中加入足量盐酸,产生无色无味气体,将气体通入澄清石灰水,产生白色沉 淀,说明溶液 X 中含有 CO32- D.卤代烃 Y 与 NaOH 醇溶液共热后,恢复至室温,再滴加 AgNO3 溶液,产生白色沉淀, 说明卤代烃 Y 中含有氯原子 16.分子式为 C7H12O2 的有机物含有一个六元环 结构
esident of the United States in _______. A. 1779 B. 1784 C. 1796 D. 1800 59. According to the passage, we can infer that the Declaration of Independence _______. A. is almost out of date B. has been
up in a small town at the foot of a mountain,the visit to the village_______scenes of my childhood. up for on in he has taken a lot of medicine,his health _______very weak. museums are just for