015中油职称英语类型:1520 I.Grammatical Structure Section A Directions:There are some inplete sentences in this part.Beneath each sentence you will see four choices marked A B C and D.Choose the ONE answer that best pletes the sentence and mark your answer on the answer sheet. 1.Scientists are studying laetrile to find out if cancer. A.it can cure B.can cure C.it curing D.can it cure 2.obtained by heating coal in the absence of air is known as coal gas. A.A gas B.A gas that C.The gas that D.The gas 3.Dr.Johnson is offering a three-hour workshop during she will share some perspectives on effective time management. A.while B.whatever C.which D.whose 4.After a day's work in the lab all the were covered with iodine. A.student's hands C.students'hands B.students hands D.student's hand 5.Grover Cleveland was the first president in the white House. A.got married B.to get married D.was married C.has got married 6.When Walt Disney watched his children play in the park he wished that there be a park where parents and children could have fun together. A.should B.must C.will D.would 7.The medical record shows that it was the drug not the disease killed him several years ago. A.the effects of whic...