After finishing the housework, she ______ herself ______ .

Many western students go on a gap year after finishing high school.()

A.write

B.writing

C.wrote

D.to write

A.others

B.preparations

C.departments

D.female

A.No, I didn’t

B.Yes, of course

C.I traveled around the world

D.For 2 years

A．to become

B．becoming

C．to becoming

D．become

Write a short definition of the word on the line. After finishing school, Craig felt he needed a break from studying. _________________________________________________________________

After ____________ his work, he came to help me with my English.

A、 finished

B、 being finished

C、 finishing

D、 having been finished

A.breaks

B.blocks

C.bonds

D.beats

A.要将光源亮度调至最低 Minimize the brightness of the light source

B.将四倍镜头对准镜台孔 Aim the 4x lens at the aperture of mirror stage

C.降低镜台，降下聚光器 Lower the stage, lower the concentrator

D.关闭光圈，盖好防尘罩 Close the aperture and cover the microscope with dust cover