【单选题】My tutor suggested that the studenls each _____a plan for the summer vacation.
【单选题】一只容积为40L,填料空隙率为90%的新乙炔瓶,应充装()kg丙酮量。
【单选题】接触器的额定电压不得低于被控制电路的最高电压,电磁线圈的额定电压应与被控制辅助电路的电压一致,主触头额定电流应()被控制电路的最大工作电流。
【单选题】•Read the following passage about a staff development plan. •For each question (23 -28), choose the correct answer. •Mark one letter (A, B or C) on your Answer sheet. TRADING PLACES Susan Robinson loo...
A.
Experience of a more stressful working environment.
B.
The skills required to gain promotion.
C.
An idea of the strict time limits other people face.
【单选题】用科学记数法表示0.000000108,得 [ ]
【单选题】—Could you give me some coins,Dad?I want to buy an ice cream. —Sorry,I’ve got on me.
【简答题】χ=2是方程4χ+3.6=10.8的解.______.
【单选题】I want to buy an ice-cream.
【单选题】I suggested that the students each ______a plan for the summer vacation.