高速公路土方路基上路床的压实度应不小于93%。

阅读短文，从方框中选择适当的单词填空（每词限用一次）。

Do you like elephants? Elephants are 小题1:__________________ animals. They can play soccer or music. They can 小题2:_______________ draw very well. People say that “an elephant never forgets”. Elephant can walk小题3: _______________ a long time and never get lost. They can also remember places with小题4:_______________ and water. This helps them to live. But elephants are in great dangerous. People cut down trees so elephants are losing their homes. People also kill elephants for their ivory.

Today there are only about 3,000 elephants (over100,000 before) We must save the trees and not buy things小题5:. _______________ of ivory(象牙).

静压丝杠螺母副

上海市高新技术产品出口正在成为外贸领域强有力的助推剂。上海海关公布的最新统计数据显示，今年前三季度，上海市高新技术产品累计出口额达254.9亿美元。比去年同期增长25.8%，占全市各类产品出口总额的38.1%，比全国平均水平高出10.6个百分点。上海市出口商品的上述变化表明（）。

A．上海市已具备与发达国家竞争的实力

B．上海市产品出口结构进一步优化

C．上海市对外贸易处于顺差

D．上海市出口商品的质量实现了飞跃

曾在北京建都的朝代有（）个。

A.3

B.6

C.9

D.12

When teaching the parents of a toddler with a congenital heart defect, the nurse should explain all medical treatments and should emphasize which instruction about their child（）

A. Reduce the caloric intake to decrease cardiac demand.

B. Relax discipline and limit setting to prevent crying.

C. Avoid contact with small children to reduce overstimulation.

D. Try to maintain the usual lifestyle to promote normal development.