(单选题)26: Whenever he has trouble in study, he always tries, _____, to get help from his teachers and classmates. A: somehow B: anyhow C: no matter how D: anyway ...

(单选题)14: The number of the students in our grade ________about six _______, and______of them are girls. A: are, hundreds, two- thirds B: is, hundred, two- third C: is, hundred, two thirds D: are, hundreds, two third ...

(单选题)8: Tom has been in the factory _________he left school. A: when B: since C: as soon as D: whether ...

(单选题)2: The milk has _____ overnight A: been soured B: souring C: been souring D: soured ...

(单选题)30: No one can stop news _______. A: to report B: to be report C: from reporting D: being reported ...

(单选题)24:  _______ me carefully, boys and girls. Can you _____ me clearly? A: Listen to, hear from B: Hear, listen to C: Hear,hear D: Listen to, hear ...

(单选题)18: He could_____ neither French or German, so I____ with him in English. A: speak, talked B: talk, told C: say, spoke D: tell, talked ...

(单选题)12: __your system so the software(软件) will always keep new. A: Update B: Change C: Delete D: Destroy ...

(单选题)6: I ______ my classmates while they often fight. A: got on well with B: gets on with C: get on well D: get on well with ...

(单选题)16: 体积为V = 1.20 × 10 - 2 m 3的容器中储有氧气，其压强为 p = 8.31×105 Pa ，温度为T = 300 K该气体的单位体积的分子数为n，该气体的内能为U则有： A:  n = 4.00 × 10 26 m - 3   ；U = 2.49 × 10 4 J ...