【正文】
m(太陽系 ). The new pla moves around a star much like our sun, however. Scientists discovered the pla by using a new plasearching method, ______ (calling, called) “transit technique.” Read the following passage and choose the correct answer. They were able to catch sight of the pla when it moved in front of its star, ______ (caused, causing) the star’s light to dim(變暗 ). Scientists pare the method to _______ (discover, discovering) the shadow of a bee ______ (flied, flying) in front of a searchlight 200 miles away. “We believe the door has been opened wide to go and discover plas like Earth,” says Sasselov. (03北京卷 B) The “transit technique” can _____. (03北京 59) A. help dim the light of a star B. help scientists with a searchlight C. help discover a bee on a pla D. help find a pla moving before its star √ Where are nonfinite verbs used in learning English?