更多"Halley made a surprising, but corre"的相关试题:
[单项选择]Halley made his discovery ______.
A. by doing experiments
B. by means of his own careful observation
C. by using the work of other scientists
D. by chance
[多项选择]Which two statements are correct regarding units in JUNOS?（）
A. Units in JUNOS are always required for any interface configured with logical addresses such as IP and IPv6.
B. Units in JUNOS are only required when you are configuring sub-interfaces for inter-VLAN routing.
C. Unit numbers must match the DLCI or VCI numbers configured on the interface.
D. Unit 0 is the only value allowed on interfaces running HDLC, PPP, or for Ethernet interfaces not doing VLAN-tagging.
[多项选择]Which two statements are correct concerning DHCP Internal Server in the E-series router？（）
A. Provide dynamic IPaddressesforDSIs.
B. Provide connectivity to DHCP servers on other subnetworks.
C. Provide dynamic IP addresses for SRC applications.
D. Provide dynamic IP addresses from pools used for PPPoE subscribers.
[单项选择]I regret ______ the novel to Jim because he made it very dirty.
A. to lend
B. having lent
C. to be lending
D. lent
[单项选择]I'm with computer programs that correct spelling through the use of built-in dictionaries.
A. known
B. friendly
C. common
D. fantiliar
[单项选择]I wish I had never made such a mistake.
A. 我希望我没犯错。
B. 我希望我没有犯这个愚蠢的错误。
C. 我希望我不要犯错。
D. 我希望我不要犯这个愚蠢的错误。
[单项选择]
Passage Three Edmund Halley was an English scientist who lived over 200 years ago. He studied the observations of comets (彗星) ,which other scientists had made. The orbit (轨道) of one particular comet was a very difficult mathematical problem. He could not figure it out. Neither could other scientists who dealt with such problems. However, Halley had a friend named Newton, who was a brilliant mathematician. Newton thought he had already worked out that problem, but he could not find the papers on which he had done it. He told Halley that the orbit of a comet had the shape of an ellipse (椭圆形) . Now Halley set to work. He figured out the orbits of some of the comets that had been observed by scientists. He made a surprising discovery. The comets that appeared in the years 1531,1607, and 1682 all had the same orbit. Yet their appearances had been 75 to 76 years apart. This seemed very strange to Halley. Three different comets followed the same orbit. The more Halley thought abo
A. 1704
B. 1705
C. 1706
D. 1707
[单项选择]______I had done it, I knew I had made a mistake.
A. Direct
B. Directly
C. Moment
D. Constant
[单项选择]I have made an appointment with him, but I'm afraid he'll ______.
A. fall out
B. fall over
C. fall through
D. fall off
[单项选择]I was to have made a speech if
A. I was not called away
B. nobody would have called me away
C. I had not been called away
D. nobody called me away
[单项选择]If I made a mistake, I will try to {{U}}remedy{{/U}} it.
A. clarify
B. diagnose
C. evaporate
D. correct
[单项选择]_____I phoned the police, then I made a list of what had been stolen, and then I made myself a cup of tea.
A. At first
B. First
C. In the first place
D. At the start
[单项选择]When power-driven machinery made its appearance, industry became localized and the factory______ the workshop.
A. displaced
B. dispersed
C. substituted
D. subdued
