托福考试

【单选题】As seen from the Earth at night, （） planet Jupiter ranks third among the planets and stars in maximum brightness, after Venus and Mars. 
A. when the 
B. in which the 
C. the 
D. and the 

【分析解答题】oil shAlEs, (whiCh mAy) Furnish A (signiFiCAntly) FrACtion oF thE worlD’s FuturE EnErgy, vAry in riChnEss, (yiElDing) From Four to FiFty pErCEnt oil (By wEight).

【单选题】 Mostocean waves are generatedby wind current that agitate the water's surface.

【单选题】 Many meteorites are thought to have originated from _____ that once existed between the orbits of Mars and Jupiter.
A．( where a planet or planets
B．( a planet or planets so
C．( which a planet or planets
D．( a planet or planets

【单选题】 Magnesium (has little) structural strength and must be (alloyed) with another metals (such as) aluminum and zinc when it is (to be subjected) to stress.
A．has little
B．alloyed
C．such as
D．to be subjected

【单选题】 What is the purpose of the honeybee dance
A．( To determine the quantity of food at a site
B．( To communicate the location of food
C．( To increase the speed of travel to food sources
D．( T identify the type of nectar that is available

【单选题】 The word "boosted" in line 3 is closest in meaning to
A．(ensured
B．(raised
C．(arranged
D．(discouraged

【单选题】 The word "prolific" in line '22 is closest in meaning to
A．(efficient
B．(productive
C．(self-employed
D．(progressive

【单选题】 It can be inferred that flood plains, deltas, and stream channels (lines 13-14) are similar in which of the following ways
A．Animals rather than plants have been preserved at such location
B．Such locations are likely to be rich sources of fossil
C．Fossilized human remains are only rarely found in such location
D．Rapid sedimentation in such locations makes it difficult to locate fossil

【单选题】 What is the author's main point in paragraph 3
A．Weathering makes it impossible to identify many fossil
B．Many fossils have been buried forever under the soi
C．Fossils provide a limited sample of ancient organism
D．It is easier to find the remains of plants than animal