单项选择题
I ________ a table ______ two. A、booked, of B、bought, ...
单项选择题I ________ a table ______ two. A、booked, of B、bought, for C、reserved, for D、had, of
“Yellow” has different meanings to Chinese or to wester...
单项选择题“Yellow” has different meanings to Chinese or to western people; that is its ____________. A. associative B. conceptual C. denotative D. stylistic
转录水平的调控是生物基因表达调控最重要的环节,通过顺式作用元件、反式作用因子和RNA聚合酶的相互作用来完成。
判断题转录水平的调控是生物基因表达调控最重要的环节,通过顺式作用元件、反式作用因子和RNA聚合酶的相互作用来完成。