句子成分强调手段（3）.

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1 句子成分强调手段（3）

2 二、用助动词“do”强调谓语动词   、构成形式   助动词“do (does; did)”可用在肯定句中强调一般现在时和一般过去时的谓语动词。其构成形式为： do [does/did]+ 动词原形

3 2、译法   这种强调形式在科技文中一般要译成“的确；确实”。有时还可译成“实际；真的；一定；务必”等。 This function(函数) does satisfy (满足)the given(所给的) differential equation(微分方程).  does vary(变化)with temperature. The results(结果) of these predictions (推断) do agree with(与…一致) experiment.

4 If the positive charges(正电荷) did move, they would flow through(流过) the wire(导线) from the positive terminal(正端) to the negative(负的) one. （这是一个虚拟语气句型） Connecting(连接) the base(基极) of the pnp transistor(晶体管) to the emitter(发射极) of the npn transistor does in fact(事实上) work(可行).

5 Alternating(交变的) voltages and currents can and do vary over(在…范围内) an extremely(极其) broad(宽的) frequency(频率) spectrum(谱). Though(虽然) mathematical analysis(数学分析) and experiment show(表明) that these methods(方法) do work, it is not so far(至今) clear(清楚的) how it is that the overlapping(重叠的) sidebands(边带) are separated(分开).

6 三、用形容词“very”强调某个名词 1、构成形式 其构成形式为： the [this/no/物主代词] + very +名词

7 2、译法 根据具体情况，我们可以把“very”译成“正是；就是；最；一；那个”等。 Tungsten(钨) is the very metal(金属) to be used as the filament(灯丝) of electric lamps(电灯). The very gravity(重力) prevents(阻止) us from flying beyond(飞离) the atmosphere(大气层). The alternating current(交流电) is the very current that makes radio(无线电) possible.

8 The current starts(开始) to flow(流动) at the very moment(瞬间) we close(闭合) the circuit(电路).
Although(虽然) charging(充电) occurs(发生) at an exponential(指数的) rate(速率), the very beginning(开始) of the exponential curve(曲线) approximates(近似于) a straight line(直线). 句子成分的强调手段还可以通过倒装法（全倒装和部分倒装）、某些句型（如“what”从句、“no matter”开头的让步状语从句等）、某些副词（如“right; only; never; alone; simply; even等等”）等来实施。