(单选题)17: Since we have a focused subject, we should not talk ____. A: at once B: at hand C: at intervals D: at random ...

(单选题)11: A person who lived in the early years of the 20th century would not have been able to experience the ____influence of science and technology as it is now. A: persuasive B: pervasive C: passive D: previous ...

(单选题)5: The more you dwell on notroditional behaviors,the ___ they will last. A: better B: worse C: longer D: long ...

(单选题)19: The young man was deeply hurt because his proposal was rejected and, to a certain extent, ____at by the team members. A: smiled B: stand C: simulated D: sneered ...

(单选题)13: He was given major responsibility for operating the remote manipulator to ___ the newly launched satellite. A: retreat B: embrace C: embody D: retrieve ...

(单选题)7: fabric A: system B: fatal ...

(单选题)1: Parking is a big problem，____. A: the traffic is so B: is so the traffic C: so the traffic is D: so is the traffic ...

(单选题)15: The needs __freedom is the lesson we learn from it. A: for B: in C: of D: to ...

(单选题)9: His tastes and habits ___ with those of his wife. A: coincide B: occure C: occurred D: agree ...

(单选题)3: I’m ______ that the______ story made everybody sad. A: surprising, moving B: surprised, moved C: surprised, moving D: surprising, moved ...