Why is the author attracted by Hank Walker's pictures？

A . CK was a good father and a very brave comedian in her eyes. B . CK didn‘t agree to buy smart phones for his young daughters. C . he was very impressed by his solution to the smart phone problem. D . She was encouraged by him not to make any compromises to her daughter.

A．To indicate that watching news is common in the evening. B．To explain America's cultural invasion of France. C．To give an example of the acceptance of American culture. D．To show that France has submitted to America.

A.Because they make science exciting. B.Because they promote economic growth. C.Because they increase Americas national power. D.Because they show what technology can bring.

A．To demonstrate how the westward expansion of the United States came about. B．To illustrate Washington's contribution to the evolution of the United States. C．To explain why Jefferson was chosen to be one of the presidents on Mount Rushmore. D．To show why Jefferson's inclusion on Mount Rushmore was a contentious issu

A．Because it enriches and restructures our knowledge in its own way. B．Because it puts together the particular stories we need. C．Because it tells single-handedly how we should perform. D．Because it helps to make the map for our travel in particular places.

A．because its budget was large B．because its camera work and musical score were blended artistically C．because its plot was repetitive D．because its symbolism was very good 此题为多项选择题。

A．To warn about possible risks involved in phytoremediation B．To help illustrate the potential of phytoremediation C．To show that hyperaccumulating plants grow in many regions of the world D．To explain how zinc contamination can be reduced

A.Herealizesthereisagreatdividebetweenhislifeandthatofblue-collarworkers. B.Helooksdownuponthemechanicalworkattheassemblyline. C.Hehasnotdonemuchtohelphisco-workersatthefactory. D.Hehasstayedatschooljustforthepurposeofescapingfromtherealworld.

A．To describe how the differences between Pleistocene and Cambrian quartz reveal information about dating rocks B．To point out that the chemical composition of quartz makes it more difficult to date than other rocks C．To provide an example of how regional differences in rock sequences can make a particular rock difficult to date D．To explain that rocks are difficult to use for dating because their chemical compositions always remain the same over time

(32) A．Their comprehensiveness. B．Their complexity. C．Their abstruseness. D．Their openness.

A Because she had been working too hard. B Because she had been deceived. C Because she could hardly believe her eyes D Because she had been tripped

Why does the author mention "there is wide-spread uneasiness and confusion"(Para. 1)？______ A．The abundant food supply is not expected to last B．Britain is importing less food C．Despite the abundance, food prices keep rising D．Britain will cut back on its production of food

A．Because we have made up our mind to do so. B．Because we want to fulfil our desire for knowledge. C．Because we want to enjoy the ecstasy of achievement. D．Because we cannot help ourselves.

A．The reasons it offers are largely insignificant. B．The Clinton-Nickles bill was too expensive. C．Its tax cuts proposal is even more costly. D．The estimated cost for the bill is just $ 5 billion.

A．To tell people what a healthy diet actually is B．To prove people's diets are increasingly unhealthy C．To encourage people to cut down on processed food D．To introduce some experts on the research team

A．Because their typed dialogue online can cause misinterpretation． B．Because the computer keeps crashing． C．Because her boyfriend lacks emotional care for her．