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1. believe vt.&vi.相信；认为 |
belief
n. 相信，信念，信仰 |
believable adj.可相信的 unbelievable adj.难以置信的 |
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2. survive vi.幸存，继续存在 vt.幸免于；挺过来 |
survival
n.幸存，幸存者，残存物 |
survivor n.未死的人；残存者 |
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3. permit v. 允许 n.许可证，执照 |
permission n. 允许，许 可，准许 |
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4. patience
n. 忍耐，耐心 |
patient
adj. 有耐心的 |
impatient
adj. 不耐烦的 |
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5. rude adj.粗鲁的，不礼貌的 |
rudely
adv. 粗鲁地；粗略地 |
rudeness n.粗鲁，不礼貌 |
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6. present adj. 出席的 |
presence n.出席，到场 |
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7. adventure n. 奇遇；冒险 |
adventurous adj.冒险 的，惊险的 |
adventurer n.冒险者 |
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[练习]用括号内所提供词的适当形式填空。 1). The principal’ s ________ (present) at the party didn’ t seem to be very welcome. 2). Finally he lost his ________ (patient) and started to yell at his mother. 3). It would be _______ (believe) that such an honest fellow should have betrayed his friends. 4). My husband loves ________ (adventure) life while I enjoy a more peaceful life. 5). He was punished for his _______ (rude) to his teacher. 6). They entered the area without. ________ (permit). 7) You cannot enter a military base without a _______ (permit). 8). The prisoners _________ (permit) two hours’ exercise a day. 9). This grand park is a rare _________ (survive) from the eighteenth century. Keys: 1). presence 2). patience 3). unbelievable 4). adventurous 5). rudeness 6). permission 7). permit 8). are/were permitted 9). survivor |
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1.
scene / sight / view / scenery |
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[解释] scene 指某一处的自然风光 scenery(总称)自然景物，天然风光，是由多个scenes构成的自然风景。 sight 景象，风景，名胜，侧重值得看的事物或很难看的东西和很可笑的事物；视力/眼界 view 景色，风景，侧重从人所处的角度(从远处或高处)以眼所看到的景色。 |
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[练习]根据句子意思用scene，sight，view，scenery的适当形式填空。 1). Guilin is famous for its beautiful _______. 2). The _______ is a perfect dream when you see the sun rising slowly in the east. 3). You can get a wonderful _______at the top of the tower. 4). The flowers are a lovely _______ in spring. 5). He began to lose his _______six years ago. Keys: 1). scenery 2). scene 3). view 4). sight 5). sight |
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2.
permit / allow / let |
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[解释] let允许，让，常用于口语中，一般不用于被动语态。后接不带to的不定式作宾补。 permit和allow意思相近，都表示“允许，准许”。permit稍正式一些，多指上级对下级或长辈对晚辈的准许,语气较强；allow多指听任或不管教某人做某事。 常用句型allow/permit sb. to do sth. be allowed/permitted to do sth. allow/permit doing sth. |
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[练习]根据句子意思用permit，allow或所给词的适当形式填空。 1). Students are not _________ to enter the Net Bar. 2). My mother wouldn’ t let me _______ (go) to the film. 3). We don’ t allow _______ (smoke) in our office. 4). Weather _______ (permit), we’ ll go outing this weekend. Keys: 1). allowed/permitted 2). go 3). smoking 4). permitting |
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3. scream / shout |
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[解释] scream指因痛苦、恐惧、激动或生气而喊叫、尖叫，声音大而尖利，常与to连用 shout指因愤怒或为引起注意而发出的声音，大喊，大叫，大声说话，常常与at连用 |
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[练习]根据句子意思用scream，shout的适当形式填空。 1). There was a huge bang and people started _______. 2). Two women were _______ at each other outside the supermarket. 3). I had to _______ to make myself heard. 4). The fans _______ with excitement when they saw him. Keys: 1). screaming 2). shouting 3). shout 4). screamed |
)多种同分异构体，其中属于酯类，且结构中含有苯环和甲基的同分异构体的结构简式为____、____、_____、____、_____、____(填不满，可以空着)。
，则制备
