更多"Since Jonas Salk came up with his p"的相关试题:
[单项选择]Since Jonas Salk came up with his polio vaccine, infantile paralysis has virtually disappeared from the United States().
A. surfaced with
B. raised the price of
C. discovered
D. elevated
[单项选择]The Salk polio vaccine provides immunity from that disease.
A. security
B. publicity
C. liability
D. help
[单项选择]He ______ when I came into his room last night.
[单项选择]He _____ his homework when his mother came back yesterday evening.
A. was doing
B. is doing
C. did
D. does
[单项选择]Evidence came up ______ specific sounds are recognized by babies as young as six months old.
A. what
B. that
C. which
D. whose
[单项选择]Evidence came up ______ specific speech sounds are recognized by babies as young as months old.
A. what
B. has
C. that
D. whose
[单项选择]The fact came up ____ specific speech sounds are recognized by babies as young as 6 months old.
A. what
B. which
C. that
D. whose
[单项选择]Evidence came up______ specific sounds are recognized by babies as young as 6 months old.
A. what
B. that
C. which
D. whose
[单项选择]Evidence came up ______ special speech sounds are recognized by babies as young as six months old.
A. what
B. that
C. which
D. whose