更多"When was sugar used widely"的相关试题:
[单项选择]When was sugar used widely
A. 3,000 years ago.
B. In modem times.
C. Quite recently.
D. 300 years ago.
[单项选择]hat is the percentage of the sugar used as food
A. 19%.
B. 90%.
C. 10%.
D. 30%.
[单项选择]Ocean transportation is widely- used because it is a relatively low-cost way to transport goods, and it can easily handle large shipments（）
A. 人们喜欢在宽阔的海面上运输货物，因为它价格低可以行大船。
B. 海洋运输被广泛使用，因为很容易用大船运送较为低廉的商品。
C. 人们广泛使用海洋运输，因为它具有运量较大，运费较低的特点。
D. 海洋运输被广泛使用，因为它运量大，虽然花费不低。
[单项选择]Computers are already widely used in industry and in universities and the time may come when it______ possible for ordinary people to use them as well.
A. is
B. will be
C. must be
D. may be
[单项选择]Which of the following instruments was widely used before the seventeenth century
A. The harpsichord
B. The spinet
C. The clavichord
D. The organ
[单项选择]Which one of the following is the most widely used measure of inflation （ ）
A. The Consumer Price Index.
B. The Index of Leading Economic Indicators.
C. The prime rate.
D. The Federal Funds rate.
[单选题]When properly used, flaps _______ .
A.increase the lifting efficiency of the wing
B.increase stall speed
C.decrease stall speed
D.both A and C
[单项选择]Which formula is used when a young man addresses an elder person but with the same rank
A. FN.
B. NN.
C. TEN.
D. SI or SILN.
[单项选择]Which of the following should not be used when trying to escape a fire
A. windows.
B. elevators.
C. fire escapes.
D. stairways.
[单项选择]The old lady used to have breakfast at 8 when she lived alone. But now she ______ at 9.
A. used to have
B. is used to have
C. is having
D. has
[单项选择]Everyone looked ______ when I said I used to drive a taxi.
A. implicit
B. explicit
C. incredulous
D. analytic
[单项选择]When he was alive, the old scientist used to say that knowledge ______ from practice and he gained his experience by doing a lot of practical work.
A. was coming
B. had come
C. comes
D. would come
[单项选择]When Spielberg was a boy, he used to be scared of ________。
A. making children laugh
B. almost everything
C. a lot of money
D. his childhood memories
E. telling scary stories
F. a number of reasons
[单选题]When maintaining FL210, what type of altitude is used?
A.Indicated altitude
B.Pressure altitude
C.Calibrated altitude
D.True altitude
[单选题]The phrase “Cleared via flight planned route” should not be used when granting a _______ .
A.ATC clearance
B.flight plan
C.reclearance
D.level change
[单选题]When the word “radar” is used alone, it usually includes _______ .
A.both primary and secondary radar
B.both PAR and SSR
C.primary radar only
D.secondary radar only
[单选题]When the alternate source of static pressure (vented inside an unpressurized airplane) is used, _______ .
A.the altimeter may indicate higher than the actual altitude being flown
B.the airspeed indicator may indicate slower than the actual airspeed being flown
C.the turn needle may become inoperative
D.the vertical speed indicator may indicate a continuous descent
[单选题]When pilot sets a pressure of _______mb for altimeter setting, that may be used to indicate a cruise flight level.
A.29.92
B.1013.2
C.1013
D.1013.1
