(单选题)21: The 12-year-old boy’s goal is to specialize ______ Western history in the future. A: on B: to C: in D: at ...

(单选题)18: He was a cruel and ______ person; that was why all of them were afraid of him. A: insensitive B: sensitive C: sentimental D: sensible ...

(单选题)25: Don't put the medicine ______ children’s reach. The medicine can be very dangerous. A: within B: beyond C: without D: for ...

(单选题)7: At first ______, Manhattan seems to be a city of high-rises, blinding lights and a crazy pace. A: glare B: stare C: grace D: glance ...

(单选题)1: They tried to ____ hard plastics for metals in manufacturing machine parts. A: replace B: substitute C: take the place of D: give way to ...

(单选题)20: _______ more careful, his ship would not have sunk. A: If the captain were B: Had the captain been C: Should the captain be D: If the captain would have been ...

(单选题)15: There is a(n) ______ lack of water in the northern part of the country, because there has been almost no rain since last February. A: accurate B: cute C: intense D: acute ...

(单选题)9: The new project is expected to start early next year; it has won the ______ of the board. A: approval B: approve C: disapprove D: prove ...

(单选题)3: Using the right hand to shake hands is a(n) ____. A: convention B: inheritance C: tradition D: habit ...

(单选题)22: Young people are not ________ to stand and look at works of art; they want art they can participate in. A: conservative B: content C: confident D: generous ...