2019屆高考英語單項選擇題精講
解析：at a loss茫然，不知所措 word 表“消息，信息”為無冠詞名詞 word came that… 消息傳來說……
65. europe has achieved more in controlling the aids virus than asia in the past ten years, _________ the number of people infected with the virus is going up sharply.
a. when b. that c. so that d. where
解析：where= in which引導定語從句，修飾先行詞asia ，即“在亞洲被病毒感染的人數一直在急劇上升。”
66. the government has taken some measures to solve the shortage of electricity, but it may be some time
___________ the situation improves.
a. since b. when c. unless d. before
解析：it may/ will（not）be …before…
it was（not）…before… it is（has been）…since…
67. ----how do you find our company?
----a little worried. we _________ ground as a leader in the field of it with the others speeding up development.
a .have lost b. are losing c. lost d. were losing
解析：根據答句“a little worried. ”可知我們還未失去領先地位，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 引導定語從句，指代前面整個句子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 在這座城市的南邊（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：名詞引導時間狀語從句
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：考查非謂語動詞（與主句動作無先后關系）。
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 you to her unkindly behavior? —only silence.