单项选择题

Not until the advent of histochemistry could the anatomist see through the micro- scope which cells carry specific enzymes or gauge how active these enzymes are in different cells under various conditions.

A．discern
B．grasp
C．measure
D．estimate
<上一题 目录 下一题>
热门 试题

单项选择题
The chief functions of direct-mail advertising are to familiarize prospective buyers with a product, its name, its maker, and its merits and with the product's local distribu tors.
A．potential
B．responsive
C．inquisitive
D．perceptive
单项选择题
From 1965 to 1978 American consumer prices increased at an average annual rate of 5.7 percent. This ominous shift was followed by consumer price gains of 13.3 percent in 1979.
A．promising
B．overwhelming
C．threatening
D．astonishing
相关试题