I’ve got the order from the boss that the work will be finished before 5 p.m. today.

【单选题】A.f i ve B.g i ve C.d i ve D.dr i ve A. f i ve B. g i ve C. d i ve D. dr i ve

I've made an ______ for you to see the doctor at 5'oclock. A: interview B: assignment C: opportunity D: appointment

工作在放大状态的NPN型三极管，其三个电极的电位关系是（）。 A: VE>;VB,VC>;VB,VE>;VC B: VE>;VB,VC<;VB,VE>;VC C: VB>;VE,VB<;VC,VE<;VC D: VB>;VE,VB<;VC,VE>;VC

工作在饱和状态的PNP型晶体管,其三个极的电位应为 A: VE>VB，VC>VB，VE>VC B: VE>VB，VC<VB，VE>VC C: VB>VE，VB<VC，VE>VC

To continue your small talk, you can ask follow-up questions like: a: I've worked at this school for 5 years. b:

I've made an ______ for you to see the dentist at 5 o'clock tomorrow. A: interview B: opportunity C: appointment D: occasion

I’ve made an __________ for you to see the dentist at 5 o’clock tomorrow． A: appointment B: interview C: opportunity D: assignation

Watch the video clip again and fill in the blanks with the information you’ve got.TimBut what 1) —you’ve got so many bags?Oooh, 2) ! You’ve been 3) again?I hope you’re not 4) .Last month you told me you spent 5) on face lotion, and today you’ve bought 6) .As an old saying goes, “7) .”If you like, I could help you 8) .

异交植物或动物可以用（ ）个公式来估计环境方差。 A: VE=VF1 B: VE=VP1 C: VE=VP2 D: VE=1/2(VP1+VP2)