1. They are unlikely to come since the weather is so bad.
    他们不大可能来了，因为天气这样糟糕。

2. They are unlikely to marry.
    他们不大可能结婚。

3. That''s an unlikely story.
    这事不像是真的。

4. It seems unlikely that he will come.
    他似乎不大可能来。

1. 不可能的：分析:文中首先介绍了欧洲经验,然后however话锋一转,说明照搬欧洲模式是一种武断的(presumptuous)结论,而且也是不可能的(unlikely). 由此,可以得出答案为C(没有任何实用价值的). A取决于学员开始接受培训的年龄,虽然文章谈到了职业培训,

2. 不太可能的：So IT SHALL BE/没错,它会这样 | UNLIKELY/不太可能的 | ANSWER UNCLEAR ASK LATER/答案不确定,请稍后再问

1. 不太可能的；未必会发生的
    If you say that something is unlikely to happen or unlikely to be true, you believe that it will not happen or that it is not true, although you are not completely sure.

    e.g. A military coup seems unlikely...
           看起来不太可能会发生军事政变。
    e.g. As with many technological revolutions, you are unlikely to be aware of it...
           就像诸多的技术革命一样，你可能不太会注意到它。

1. has little chance of being the case or coming about

    e.g. an unlikely story
           an unlikely candidate for reelection
           a butcher is unlikely to preach vegetarianism

2. not likely to be true or to occur or to have occurred

    e.g. legislation on the question is highly unlikely
           an improbable event

    Synonym: improbable

3. having a probability too low to inspire belief

    Synonym: improbableunbelievableunconvincing