as“正如”引导定语从句 严重 serious severe人类human面临face

1.As predicted by scientists, global pollution has become one of the most serious problems that mankind has to face.

激烈tough fierce

2.Competition for these positions is fierce ， there are five times as many applicants this year as last.

表明:indicate show 国家经济发展计划:nationality development plan for economic

3.As the facts show, the educational program should be in line with the nationality development plan for economic.

几乎:almost about approximately

4.The car consumes too much gas, and besides, it costs almost twice what I wanted to pay.

重大的great significant important

5.To understand a major international event, we first need to consider its historical and political context.