4道语法真题,请NN指教

1. The NEAR spacecraft will orbit the asteroid Eros for a year, slowly moving closer to the surface of the object to make ever more precise measurements that scientists hope will enable them to understand how the solar system formed some four billion years ago.

A. to make ever more precise measurements that scientists hope will enable them to

B. for making ever more precise measurements, and scientists hole that they will be able to

2. The Arthritis Research Institute of Anerica advises women of color that they have twice the likelihood to get osteoarthritis of the knee as do white women.

A. that they have twice the likelihood to get osteoarthritis of the knee as do white women

B. that they are twice as likely as white women to get osteoarthritis of the knee

3. By the same techniques used for genetically enhancing plants, making them disease or pest-resistant, researchers have been able to increase the amount of potein in potatoes.

A. By the same techniques used for genetically enhancing plants, making them

B. Employing the same techniques used to genetically enhance plants so that they are

C. Employing the same techniques for genetically enhancing plants that make them

4. Even though Clovis points, spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the new Mexico site where they were first discovered in 1932.

A. Even though Clovis points, spear points with longitulinal grooves chipped onto their faces, have been found all over North America, they are named for the new Mexico site where they were first discovered in 1932.

B. Named for the new Mexico site where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chipped onto the faces, have been found all over North America.

1. A    'to do' + B ignored the connection between two sentences

2.B   

3.C    A. making ... wrong, B. they reference unclear

4. A   B. changed the Although meaning of the sentence.

哥们每次都是和我选的一模一样,不过gwd老是和俺们不一样.

which one?

do u trust your source ?  

选项不全，也许没有正确的选项。楼主有误导的嫌疑。

第一题的A肯定不正确，enable没有主语

这些题目好不容易搞出来的,没法把答案抄全. 但是请相信,没有列出的答案99.9%是错的.

第一题的A,enable怎么没有主语, measurements that就是主语,scientists hope是插入成分.

      同意，scientists hope是嵌入式复合定语从句。