更多"Before they are actually sent up in"的相关试题:
[填空题]Before they are actually sent up in a spacecraft,______(宇航员需经受各种各样的测试).
[填空题]By making an offer, an employer actually gives up part of his control over______.
[单项选择]Before he finally sent its copies off to be handed out among members of the committee, he went over it again and made sure that no item of importance was ( ).
A. checked out
B. crossed out
C. dropped out
D. left out
[单项选择] Long before they can actually speak, babies pay special attention to the speech they
hear around them. Within the first month of their lives, babies’’ responses to the sound of
the human voice will be different from their responses to other sorts of auditory stimuli.
They will stop crying when they hear a person talking, but not if they hear a bell or the
(5) sound of a rattle. At first, the sounds that an infant notices might be only those words that
receive the heaviest emphasis and that often occur at the ends of utterances. By the time
they are six or seven weeks old, babies can detect the difference between syllables
pronounced with rising and falling inflections. Very soon, these differences in adult stress
and intonation can influence babies’’ emotional states and behavior. Long before they
(10) develop actual language comprehension, babies can sense when an adult is playful or
angry, attempting to initiate or terminate n
A. How babies differentiate between the sound of the human voice and other sounds
B. The differences between a baby’’s and an adult’’s ability to comprehend language
C. How babies perceive and respond to the human voice in their earliest stages of language development
D. The response of babies to sounds other than the human voice
[单项选择]As we know, before scientists come up with an effective treatment, cancer is still threatening people’s lives.
A. killing
B. risking
C. adventuring
D. jeopardizing