There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer sheet.

6. ----Bradford graduated from college with honors at a very young age.

----He _____ have been an outstanding student.

A． must B could C should D might

Section A Vocabulary. Directions: There are 20 incomplete sentences in this part

Each passage is followed by some questions or incomplete sentences. For each of

[单选题]D．irections: There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the answer sheet.6. ______ the l

[单选题]D．irections: There are 15 sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the answer sheet.6. ______ you go there ear

Vocabulary and Structure (25 points)Section ADirections: In this section there a

[主观题]Poetryisabeautifulwaytoexpress______(think)andfeelings.

[单选题]THI细胞分泌A.IFNγB.IL–4C.IL–5D.IL–6E.IL–10

[单选题]THI细胞分泌A．IFNγB．IL-4C．IL-5D．IL-6E．IL-10

[单选题]THI细胞分泌（）。A . IFNγB . IL–4C . IL–5D . IL–6E . IL–10

[单选题]A．ll the machines ______by the end of this month.A． would have been repairedB． were repairedC． will have been repairedD． were being repaired