学龄儿童中药用量为成人量的（） A.1/6 B.1/3～1/2 C.2/3 D.1/

生命年金是指（）。

A.年金支付发生在每一给付周期的期初的年金

B.以年金受领人的生存状况年金条件的年金

C.年金支付发生在每一给付周期的期末的年金

D.有确定的支付起讫时间的年金

下列可以作为行政执法依据的是（）。

A.法律

B.规范性文件

C.省委组织部文件

D.药监局法规处文件

（）流经各省（区、市）的河段，也要分级分段设立河长。

A.大江大河、跨境河流

B.中央直管河道、跨境河流

C.大江大河、中央直管河道

D.大江大河、中央直管河道、跨境河流

有一对并联电阻，其阻值是R1＝400Ω，R2＝600Ω，通过电阻R1的电流为0.55A，求并联电路的总电阻和总电压各是多少？

Man: Hi, Susan. Have you finished reading the book Prof. Johnson recommended
Woman: Oh, I haven’t read it through the way I’d read a novel. I just read a few chapters which interested me.
Question: What does the woman mean().

A. She seldom reads books from cover to cover.

B. She is interested in reading novels.

C. She read only part of the book.

D. She was eager to know what the book was about.