(单选题)8: Each member has a chance to _______ his argument in the conference. A: present B: recall C: stock D: council ...

(单选题)2: On our way to Beijing, we visited Xi’an, a city of two million _______, and stayed there for two days. A: insects B: human C: inhabitants D: flights ...

(单选题)16: Dr. Salk is aware that we still have a long way to go in improving human living conditions and in fighting sickness ___. A: where it is found B: wherever is it found C: wherever it is found D: where is it found ...

(单选题)4: These are two _______, but people often take them as one. A: ruin B: nest C: issues D: castle ...

(单选题)6: Many people like white color as it is a ___ of purity. A: symbol B: sign C: signal D: symptom ...

(单选题)20: I was really anxious about you. You___home without a word. A: mustn’t leave B: shouldn’t have left C: couldn’t have left D: needn’t leave ...

(单选题)14: I was halfway back to the cottage where my mother lived ___ Susan caught up with me. A: when B: while C: until D: though ...

(单选题)2: Children___in public very often. A: should be praised B: shouldn’t have praised C: shouldn’t have been praised D: shouldn’t be praised ...

(单选题)1: The worker was___off by his boss, for he didn’t  work hard. A: laid B: lied C: lay D: lain ...

(多选题)20: 卢因变革模型的三步骤指的是（ ） A: 解冻 B: 变革 C: 再解冻 D: 创新 ...