一、than强调前面还是后面？
强调前面
造句
1、I can't help thinking he knows more than he has told us.
我总觉得他没把他知道的事全告诉我们。
2In most people's eyes she was nothing more than a common criminal.
在多数人的眼里她只不过是个普通的罪犯。
3In this job, experience counts for more than paper qualifications.
担任这项工作，经验比文凭更重要。
二、用rather than 造句子？
1、I think I'll have a cold drink rather than coffee.我想要冷饮，不要咖啡。
2、Consumption rather than saving has become the central feature of contemporary societies.现代社会的主要特征是消费而不是储蓄。
3、.It is easier to think in concrete terms rather than in the .结合具体的事物来思考要比抽象思考容易些。
三、look as if用法？
1、It doesn't look as if we'll be moving after all.看样子我们还是不可能搬迁了。
2、His paintings look as if they have been knocking around for centuries.他的画看上去就像是已经存在几百年了。
3、I probably look as if I'm in my fifties rather than my seventies.我大概看上去像50多岁而不是70多岁。
四、only if仿写句子？
1、They are dangerous only if programmers are careless.
只有当程序员粗心大意时，它们才是危险的。
2、Eye of newt goes into the little black bag, if and only if there is reproducible scientific evidence that it works.
当且仅当有可重复的科学证据证明蝾螈之眼有效时，蝾螈之眼才会进入小黑袋中。
3、The first draft will appear on the page only if you stop avoiding the inevitable and sit, stand up, or lie down to write.
只有当你不再回避不可避免的事情，而是坐着、站着或躺着写作时，初稿才能跃然纸上。
4、That would be true only if you believed that patients should have an unrestrained right to treatments proven to be inferior.
仅当您认为患者应享有被证明是劣等治疗的不受限制的权利时，这才是正确的。
5、Problems occur only if a contradiction develops between a new observation, say, "That ball is blue", and the preexisting statements.
只有当一个新的观察，比如“那个球是蓝色的”，与已有的陈述之间产生矛盾时，才会出现问题。
6、Because warm air can hold more moisture than cool air, the relative humidity will be constant only if the amount of water vapor in the atmosphere increases as the temperature rises.
因为温暖的空气比冷空气能容纳更多的湿气，所以只有当大气中的水蒸气量随着温度的升高而增加时，相对湿度才会保持不变。
