(单选题)49: He _______ a lot of time in trying to develop the education system in this area. A: involved B: investigated C: invested D: interfered ...

(单选题)43: This knife is made of steel（ ）and it can be used for a long time. A: mixed B: alloy C: champion D: grasp ...

(单选题)37: He designed an experiment in order to（ ）his theory. A: demonstrate B: proof C: defense D: grasp ...

(单选题)31: This is a（ ）moment for our research. We should be careful. A: critical B: belt C: conscience D: copper ...

(单选题)25: What is your（ ）to his coming? A: altitude B: attitude C: attribute D: aspect ...

(单选题)19: When I read the newspaper, I always read the（ ）first. A: headlines B: headquarters C: heaven D: horizon ...

(单选题)13: In this kind of hotel, there are no（ ）rooms. A: luxury B: marvelous C: occasional D: sulphur ...

(单选题)7: I imagine I’ll _______ some friends instead of going to the movies. A: envy B: interest C: entertain D: courage ...

(单选题)1: Heavy taxed are（ ）on wines imported from the other countries. A: imposed B: trgistered C: splashed D: thundered ...

(单选题)39: A:I love you more than her, Child. B:you mean more than ______ love her or more than She loves_____? A: you,?me B: I?,?you C: you,?you D: I,?me ...