题目
A "poker face" in the second paragraph refers to a face which is ______.
A.attentive
B.emotional
C.suspicious
D.expressionless
第1题
A "poker face"(Para. 2) refers to a face which is ______.
A.attentive
B.emotional
C.suspicious
D.expressionless
第2题
A "poker face"(Para. 2) refers to a face which is ______.
A.attentive
B.emotional
C.suspicious
D.expressionless
第3题
A "poker face" (Line 3, Para.2) refers to a face which is ______ .
A.attentive
B.emotional
C.suspicious
D.expressionless
第4题
A "poker face" (Line 3, Para. 2) refers to a face which is ______ .
A.attentive
B.emotional
C.suspicious
D.expressionless
第5题
A "poker face"(Line 3, Para. 2) refers to a face which is ______.
A.attentive
B.emotional
C.suspicious
D.expressionless
第6题
"The technology" in the second paragraph refers to ______.
A.face-scanning systems
B.fingerprint systems
C.gummy dummies
D.biometrics
第7题
The word "it" in the first line of the second paragraph refers to ______.
A.software B.reliability
C.safety D.challenge
第8题
"It" in the last sentence of the second paragraph refers to ______.
A.temporary loneliness
B.situational loneliness
C.a new place
D.sleeplessness
第9题
The pronoun "They" in the second paragraph refers to______.
A.ornithology and general biological science
B.contributions
C.professional biologists
D.birds
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