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How much of the power consumed by incandescent bulbs is converted into light？

A small portion.
B. Some 40 percent.
C. Almost half.
D. 75 to 80 percent.

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We learn from the text that

A. Canadians have easy access to any type of medical care they want.
B. the Canadian government compensates every citizen for medical expenses.
C. a medical care is issued once a citizen seeks medical care.
D. the principle of demand and supply does not apply in the Canadian system.

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The superiority of the Canadian health care system is seen in

A. its low medical cost and better public health.
B. the immediate compensations form. insurance companies.
C. its prompt application of advanced technological innovations.
D. the low charges made by medical personnel.

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The Internet had its 70 in a 1969 U.S. Defense Department computer network called ARPAnet, which 71 Advanced Research Projects Agency Network. The Pentagon built the network for military contractors and universities doing military research to 72 information. In 1983 the National Science Foundation (NSF), 73 mission is to promote science, took over.
This new NSF network 74 more and more institutional users, may of 75 had their owm internal networks. For example, most universities that 76 the NSF network had intracampus computer networks. The NSF network 77 became a connector for thousands of other networks. 78 a backbone system that interconnects networks, internet was a name that fit.
So we can see that the Internet is the wired infrastructure (基础设施) on which web 79 move. It began as a military communication system, which expanded into a government-funded 80 research network.
Today, the Internet is a user-financed system tying intuitions of many sorts together 81 an “information superhighway.”
62. A．concise C．massive B．radical D．trivial
63. A．behaviors C．inventions B．endeavors D．elements
64. A．packed C．suppressed B．stuck D．bound
65. A．facilitated C．mobilized B．modified D．terminated
66. A．competitive C．exclusive B．comparative D．expensive
67. A．merges C．relays B．connects D．unifies
68. A．figures C．individuals B．personalities D．humans
69. A．and C．or B．yet D．while
70. A．samples C．origins B．sources D．precedents
71. A．stood by C．stood against B．stood for D．stood over

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征收土地增值税时应扣除的开发费用和其他项目金额为()万元。

A. 1860
B. 1936
C. 1420
D. 2040

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How much of the power consumed by incandescent bulbs is converted into light？

A small portion. B. Some 40 percent. C. Almost half. D. 75 to 80 percent.

We learn from the text that

The superiority of the Canadian health care system is seen in

征收土地增值税时应扣除的开发费用和其他项目金额为()万元。

A small portion.
B. Some 40 percent.
C. Almost half.
D. 75 to 80 percent.