生物衰变常数的表示是（） A．λe B．T1/2 C．λb D．Tb E．Te

--________ do you like pandas?

-- Because they are kind of cute.

A．How

B．Why

C．When

D．What

下图为水利研究部门实验室模拟同一降水过程中径流量变化示意图。读图回答下列问题。

小题1:图中四条曲线：自然状态的洪水过程线、自然状态的地下径流过程线、城市化后的洪水过程线、修建水库后的洪水过程线，依次对应的序号分别是

A．①、②、③、④

B．③、④、①、②

C．②、④、①、③

D．①、③、④、②小题2:防治城市暴雨时发生内涝的最有效措施是        

A．保护城市原有湿地

B．提高地面透水能力

C．扩大城区绿地面积

D．完善城市排水系统

肿瘤性增生区别于炎症性增生的特点是

A．增生组织不分化不成熟
B．血管增生
C．纤维组织增生
D．器官的实质细胞增生
E．炎症细胞浸润

Long-Term Evolution (LTE) is a technological standard for wireless mobile broadband networks. LTE will make the use of the latest technologies. Orthogonal ______ Division Multiple Access ( a technology well suited to achieving high peak data rates in high-spectrum bandwidths) will be used on the downlink. On the uplink, LTE will use ______ Carrier Frequency Division Multiple Access, which offers advantages in power ______ and terminal battery life as compared to technologies used today. The latest antenna technologies will also be used, such as ______ , which employs multiple transmit and receive antennas. This results in numerous data paths effectively operating in ______ and-through appropriate coding/decoding-significant throughput gains.

A. parallel B. Serial
C. ManageabilityD. Adaptability