【问】 请说明下列句中given的词性和词义：
 (1) Given these conditions，it is easy to see that any permanent economic or political insta-bility in one area is bound to have an increasingly serious effect upon the rest of theworld.
 (2) Given good weather，our ship will reach Shanghai tomorrow.
 (3) Given that x equals three，x plus two equals five.
 【答】 句(1)中的given是介词，其意义为“由于、鉴于、考虑到(in view of，if one takes into ac-count)。例如：
 1. Given the present conditions，I think she's done rather well. (CGEL)
 考虑到目前的情况，我认为她干成这样就算不错了。
 句(2)中的given是分词，其意义为“如果有……，如果给予……”。整个结构是一个独立分词结构，其独特之处是分词(given)位于其逻辑主语之前。例如：
 2. Given the chance，I’d do it again.
 如果还有机会，我会再干一次的。(“If I were given the chance...”)
 句(3)中的given (that)是个从属连词，其意义为“如果、假如”，常常用于正式的书面语体，尤其用于论证。
 3. Given that x=y，then n(x+a)=n(y+a) must also be true.
 如果x=y，则n(x+a)=n(y+a)也成立。
 请分析下列各句中given的词性和含义，并将句子译成汉语(书后面有参考答案)：
 1. Given plenty of labour，the job will be completed on schedule. (STE)
 2. Given these conditions，it is easy to see that any permanent economic or political instabil-ity in one area is bound to have an increasingly serious effect upon the rest of the world.
 3. Given better attention，the cabbages could grow even faster.
 4. Given(that) the voters approve the funds，we'll have a new park in our town.
 5. Given that she is interested in children，I am sure teaching is the right career for her.
 请做下面的英语试题：
 ____more attention，the trees could have grown better.
 A.Given B. To give
 C. Giving D. Having given(全国高考英语试题，90)