come into being 形成；产生 come into effect 开始生效/执行/实施

come into power/office 就职；上台执政 come into use 开始被使用

come into existence 开始存在；形成；产生

We do not know when the world ______________.

A. came into power B. came into being C. came up D. came across

2. Some scientists think it came after an unexpected incident when a huge rock from space hit the earth and put too much dust into the air. 有些科学家认为恐龙灭绝是发生在一件意外事故之后，当时宇宙间一块巨石击中地球因而在空气中扬起太多的尘土。

易混辨析

incident 偶然发生的、通常不太重要的事件

affair 主要指"有关的事、事务、活动等"，也可指外交大事

event 指"每日里发生的事件、事或活动、比赛项目"

A(n) _______ happened on my trip to the Great Wall. That is, my camera was left on the bus.

A. accident B. thing C. affair D. incident

3. According to a UN report, some 844 animals and plants have disappeared in the last 500 years. 根据联合国的一份报告，在过去的500年里，有844种动植物消失。

1）根据；按照

Everything went o ff according to the plan. 一切都按照计划实现了。

According to Mike, it's a great movie. 据迈克说，这是一部了不起的电影。

2）合乎；符合

It's not according to his nature to give praise. 他本性不喜欢颂扬。

注意：

according to 其后可接名词、代词或what从句。用来引出来自他人或他处的消息，不能与me或my opinion连用。in my opinion表示自己的观点，意为"依我看"。

_________ the weather report, we shall have cold weather next week.

A. thanks to B. in terms of C. according to D. because of

4. so that 以至于，结果；以便，为了