— May I go and play with my friend this

题型:选择题

问题:

— May I go and play with my friend this afternoon, Dad?

— No, you can't go out _____ your work is being done. [ ]

A. the moment

B. until

C. as

D. before

考点:从属连词
题型:选择题

---Tom won an award again.

---   is no accident that he is so successful. He is always working hard.

A.There

B.This

C.It

D.That

题型:选择题

心脏病孕妇最容易发生心力衰竭的时期是 ( )。

A.妊娠20~22周

B.妊娠24~26周

C.妊娠28~30周

D.妊娠32~34周

E.妊娠36~38周

题型:选择题

精子形成

题型:选择题

以下()是包装的功能。

A.保护功能

B.促销功能

C.便利功能

D.美化功能

题型:选择题

纳税人处于非正常状态后,必须()后,纳税人的非正常状态才能解除。

A.缴纳税款

B.缴纳税款及滞纳金

C.税务登记证件失效后

D.缴纳税款、滞纳金、罚款

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