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【简答题】
Technology surrounds us and is a part of our daily lives. We can find technological innovations at home , our workplaces , our schools , and our playgrounds. (1)________technology has improved our lives in some ways , it has also brought many negative(2)________. Modern technology has made life very (3) ________. We have everything we need and our inventions take care of so many unpleasant details in our day-to-day lives. Foods from all over the world are available at local supermarkets. International travel is now fast and easy. We can talk to friends on cell phones any time. anywhere. and we can catch a TV show from many countries far away. (4)________. these conveniences have a price. We consume too much energy and too many resources , and we create too much waste. The world is overflowing with pollution and waste. We cannot continue like this forever. We should be more responsible about protecting our world while still enjoying conveniences. (5)________our natural world is destroyed. The conveniences will be useless.
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【单选题】Gary was in a fight last night. He ____ (弄断了鼻子).
A.
breaks his nose
B.
broke his nose
C.
had his nose broken
D.
has his nose broken
【简答题】P80C54RC 芯片的RC表示STC单片机内部RAM的大小为_______B.(陈宇凡)
【单选题】消费者权益保护法规定的保障安全权,是指消费者在购买使用商品和接受服务时,享有( )不受侵害的权利。
A.
名誉
B.
人格
C.
健康
D.
人身、财产
【判断题】Decide whether the following paragraphs are unified or not. My father’s face is rough. His complexion is leathery and wrinkled. There are large pores in the skin that covers his nose and cheeks. His n...
A.
正确
B.
错误
【单选题】He has a broken nose but may be ______ today.
A.
Discharged
B.
Dismissed
C.
Fired
D.
released
【单选题】托尔曼的理论可用公式表示为
A.
R—S
B.
S—R
C.
S—O—R
D.
R—O—S
【单选题】用PV操作解决读者写者问题的正确程序如下: Begin S,sr:semaphore,rc:integer; S=1,sr=1,rc=0; Cobegin PROCESS reader i(i=1,2,...) Begin p(sr); rc:=rc+1; if rc=1 then p(s); v(sr); read file; p(sr); rc:=rc-1; if rc=0 then v...
A.
if rc=1 then p(s);
B.
v(sr);
C.
if rc=0 then v(s);
D.
v(s);
【单选题】全距用( )表示
A.
X
B.
R
C.
Q
D.
S
【单选题】He has a broken nose but may be ______ today.
A.
discharged
B.
dismissed
C.
fired
D.
released
【单选题】在数学中, _____ 表示面积, _____ 表示半径。 [     ]
A.
v, h
B.
h, r
C.
s, r
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