中国大学MOOC: Wider spans of control may be viewed as more efficient, but eventually, wider spans tend to have what effect on organizations?

Russia spans eleven time zones and two continents.

Because audiences have short attention spans, you’d better _________

Wider spans of control may be viewed as more efficient, but eventually, wider spans tend to have what effect on organizations? A: reduced effectiveness B: increased turnover C: loss of managerial power D: customer dissatisfaction

High zone spans ________ the top of the athlete’s reach to a point 10 feet or more above the floor.

The bridge is half a mile at the point where the bridge ________ it. A: snaps B: spans C: slits D: scans

John Milton’s career as a writer of poetry spans two distinct eras: Stuart England and the Civil War.

The advantage of the new bridge will be the way it __________ the towns on the opposite banks of the river. A: communicates B: connects C: attaches D: spans

失水山梨醇脂肪酸酯（ Spans）适合于做（）； A:  水包油（O/W）型乳状液的乳化剂； B:  油包水（W/O）型乳状液的乳化剂。

The adoption of structural steel and reinforced concrete caused major changes in traditional construction practices. Which one is the wrong description about reinforced concrete? A: build more solid structures B: much simpler to build fire-resistant floors C: increase the cost of construction D: become possible to erect buildings with greater heights and longer spans