各种气瓶的存放，必须距离明火（）以上，避免阳光暴晒，搬运时不能碰撞。 A.5米 B.

The book is of great value. _______ can be enjoyed from it until you have a deep

understanding of it, however.

A．Nothing

B．Few

C．Something

D．Much

根据句子意思，用括号中所给单词的适当形式填空，并将答案填写在答题卡标号为51-56的相应位置上。

小题1:My daughter is old enough to look after         (she). She can stay at home alone.

小题2:We need to realize the         (important) of making full use of our time.

小题3:It’s so         (fair)! Mary has got more money for less work!

小题4:The students are looking forward to         (have) a holiday. They are just too busy these days.

小题5:— Jimmy will hold a party for his         (twelve) birthday. Let’s buy a present for him.

— OK. Let’s go.

小题6:It rained so         (heavy) last night that many streets were in water.

存货周转率

WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of supply and distribution (51) to improve their efficienty and reduce (52) . WLANs can also enable entirely new business processes. To cite but one example, hospitals are using WLAN-enabled point-of-care applications to reduce errors and improve overall (53) care. WLAN management solutions provide a variety of other benefits that can be substantial but difficult to measure. For example, they can protect corporate data by preventing (54) through rogue access points. They help control salary costs, by allowing IT staffs to manage larger networks without adding staff. And they can improve overall network mananement by integrating with customers’ existing systems, such as OpenView and UniCenter. Fortunately, it isn’t necessary to measure these benefits to justify investing in WLAN management solutions, which can quickly pay for themselves simply by minimizing time-consuming (55) and administrative chores.

A. intrusion B. aggression C. inbreak D. infall

研究新药品种的选择应从哪些方面考虑？