解析：根据答句“A little worried. ”可知我们还未失去领先地位，正逐步失去。

68. The newcomer is from Tibet, ________ I can tell from his appearance.

A. which B. what C. where D. who

解析：which 引导定语从句，指代前面整个句子The newcomer is from Tibet，

69. The report said a bus went out of control on a highway south of the city and rushed into a river.

A.the ,the B./ ,the C.the, / D./,/

解析：out of control 失去控制 to the south of the city 在这座城市的南边(to the可省)

70. The husband rushed to the hospital he heard that his wife was injured .

A.at the moment B.for the moment C.in a moment D.the moment

解析：名词引导时间状语从句

the moment=the minute / the instant = immediately / directly (adv.)= as soon as (conj.)

71. all kinds of knowledge ,he was admitted to a key university.

A.Equipped with B.Having equipped for C.Armed for D.Having armed with

解析：考查非谓语动词(与主句动作无先后关系)。

arm/equip sb. with sth. →be armed/ equipped with

Armed with special guns, knives and brushes, two spacewalking astronauts practiced fixing the spacecraft.

72. —How do yoto her unkindly behavior? —Only silence.

Which of the following is wrong?

A.react B.answer C.reply D.respond

解析：react/ reply/ respond to sb./ sth. answer sb./ sth.

73. Don’t worry ,she is accustomed to like that.

A.being spoken to B.be spoken C.being spoken D.speak

解析：be accustomed to(doing)sth.= be used to(doing)sth. 习惯(做)某事

speak to sb.→be spoken to

74. all the shortcomings yomentioned ,he is a man to be depended on.

A.In spite B.Although C.Though D.Despite

解析：despite= in spite of(介词)后跟名词;Although/ Though(连词)后跟从句

75. The soldier was of running away when the enemy attached.

A.scolded B.charged C.accused D.punished

解析：be accused of= be charged with 被指控……

be scolded / punished for… 因……而被责骂/惩罚

76. About 698,000 laptops were sold in China in second quarter, 12.1 percent increase from a year ago.

A. a; a B. the; a C. the;the D. a; the

解析：考查冠词.第一空表示“在第二季度”，序数词前用定冠词，而第二空中心词是increase,此处用作可数名词，其前用不定冠词.

77. ___we admit that there are still some problems about NMET, we don't mean that it is of no use.

A. Until B. While C. As D. Unless

解析：考查状语从句.句意为：虽然我们承认高考英语(NME丁)仍然存在问题，但是我们并不是说它起不了什么作用.while在此处相当于although，意为“虽然”.

While yomay be right, I can’t altogether agree with you.

While the sea has offered people food for thousands of years, it swallowed thousands of lives in one day in the tsunami in Southeastern Asia.

78. It how long the shock that explosions hit London transport system will stay in people's hearts.